[光量子エレクトロニクス研究室　へ戻る]
[青山学院大学理工学部電気電子工学科　へ戻る]

外林　秀之 (Hideyuki Sotobayashi)

青山学院大学　理工学部　電気電子工学科　准教授

Biography

東京大学工学部電気工学科卒。
東京大学大学院工学系研究科電子工学専攻博士課程修了。
独立行政法人情報通信研究機構（旧：郵政省通信総合研究所）を経て、
2008年に青山学院大学理工学部電気電子工学科准教授着任。
2002-2005年にマサチューセッツ工科大学(MIT)客員研究員(Visiting Scientist)。
2005-2011年にマサチューセッツ工科大学(MIT)アフィリエート研究員(Research Affiliate)。

Hideyuki Sotobayashi received the B.E. degree in electronic engineering in 1992 and the M.E. and Dr.Eng. degrees in electrical engineering from the University of Tokyo, Tokyo, Japan, in 1994 and 1997, respectively. In 1997, he joined Communications Research Laboratory (CRL), Ministry of Posts and Telecommunications (MPT), Tokyo, Japan, where he has been engaged in research on photonic networks, optical communications, photonic processing, and nonlinear optics. CRL was reorganized as "National Institute of Information and Communications Technology (NICT)" on April 1st, 2004.
Since 2002 until 2005, he was a Visiting Scientist of Massachusetts Institute of Technology.
Since 2005 until 2011, he was a Research Affiliate of Massachusetts Institute of Technology.
In 2008, he joined the Aoyama Gakuin University as an Associate Professor.

Dr. Sotobayashi is a senior member of the Institute of Electrical and Electronics Engineers (IEEE) and members of the Optical Society of America (OSA), the Institute of Electronics and Information Communication Engineers of Japan (IEICE), and the Japan Society of Applied Physics (JSAP).

論文

• K. Akahane, N. Yamamoto, T. Umezawa, T. Kawanishi, T. Tanaka, S. Nakamura, and H. Sotobayashi, "Control of wavelength and decay time of photoluminescence for InAs quantum dots grown on InP(311)B using the digital embedding method," Phys. Status Solidi B 253, No. 4, pp.640-643, 2016.
• A. Murano, S. Yamada, A. Kanno, N. Yamamoto, and H. Sotobayashi, "20-Gb/s QPSK transmission over 4km-long holey fiber using a wavelength tunable quantum dot light laser in T-band," Proc. SPIE 9774, February, 2016.
• M. Suzuki, A. Kanno, N. Yamamoto, and H. Sotobayashi, "Evaluation of quadrature-phase-shift-keying signal characteristics in W-band radio-over-fiber transmission using direct in-phase/quadrature-phase conversion technique," Proc. SPIE. 9772, February, 2016.
• A. Murano, F. Yagi, N. Yamamoto, A. Kanno, T. Kawanishi, and H. Sotobayashi, "20-Gb/s QPSK transmission over 10-km-long holey fiber using a wavelength tunable quantum dot light source in O-band," Proc. SPIE. 9388, February, 2015.
• S. Maruyama, K. Tomishige, A. Kanno, T. Kawanishi, and H. Sotobayashi, "Optical-electrical hybrid signal equalizer for ultra-high-speed transmission," Proc. SPIE. 9388, February, 2015.
• K. Akahane, N. Yamamomto, M. Maeda, H. Takai, S. Nakamura, H. Yamaguchi, and H. Sotobayashi, "Synthesis of carbon nanotubes by laser-assisted alcohol chemical vapor deposition," Physica E, vol. 56, pp. 452-455, February 2014.
• 諸橋功, 坂本高秀, 外林秀之, 関根徳彦, 川西哲也, 寶迫巌, "位相変調器を用いた高繰り返し短パルスファイバーレーザー," 光学, 第42巻, 第9号, pp. 453-458, 2013.
• R. Yamanaka, T. Fujita, H. Sotobayashi, A. Kanno, T. Kawanishi, "Phase Noise Measurement of Optical Heterodyning Two-Tone Signal Generated by Two Free-Running Lasers," IEICE Transactions on Electronics, vol. E96.C, No. 2, pp. 241-244, 2013.
• N. Yamamoto, K. Akahane, T. Kawanishi, H. Sotobayashi, Y. Yoshioka, H. Takai, "10-GHz High-Repetition Optical Short Pulse Generation from Wavelength-Tunable Quantum Dot Optical Frequency Comb Laser," IEICE Transactions on Electronics, Vol. E96.C, No. 2, pp.187-191, 2013.
• Yasuaki Kurata, Naokatsu Yamamoto, Kouichi Akahane, Tetsuya Kawanishi, Hideyuki Sotobayashi, Yuki Yoshioka, Hiroshi Takai, "1.3-μm waveband multiple-wavelength InAs/InGaAs quantum dot light source for wide wavelength range of 10 Gb/s transmissions over 8-km long holey fiber," Proceedings of SPIE, Volume 8646, December 2012.
• Yu Omigawa, Naokatsu Yamamoto, Atsushi Kanno, Tetsuya Kawanishi, Yasuaki Kurata, and Hideyuki Sotobayashi, "Polarization division multiplexed 4 × 10 Gbps simultaneous transmissions in 1.0-μm waveband and C-waveband over a 14.4-km-long holey fiber using an ultra-broadband photonic transport system," Optics Express, Vol. 20 Issue 14, pp.14864-14870, 2012.
• N. Yamamoto, K. Akahane, T. Kawanishi, H. Sotobayashi, Y. Yoshioka, and H. Takai, "Characterization of wavelength tunable quantum dot external cavity laser (QD-ECL) for 1.3-μm waveband coherent light sources," Jpn. J. Appl. Phys. vol. 51, pp.02BG08-1-6, 2012.
• N. Yamamoto, K. Akahane, T. Kawanishi, R. Katouf, H. Sotobayashi, Y. Yoshioka, and H. Takai, "1.3-μm wavelength-tunable quantum-dot optical frequency comb generator integrated with absorptive optical attenuator," Phys. Status Solidi C 9, No. 2, pp. 282-285, 2012.
• Naokatsu Yamamoto, Kouichi Akahane, Tetsuya Kawanishi, and Hideyuki Sotobayashi, "3.0-μm wavelength-tunable compact light source with 805/1064-nm differential frequency generation using intracavity photon reuse and spectrum shaping techniques," Proceedings of SPIE, Volume 8235, March 2012.
• Naokatsu Yamamoto, Atsushi Kanno, Kouichi Akahane, Tetsuya Kawanishi, Yu Omigawa, Yasuaki Kurata, and Hideyuki Sotobayashi, "Polarization division multiplexed 2x10-Gbps transmissions over 10-kmlong holey fiber in 1.0-μm waveband photonic transport system," Proceedings of SPIE, Volume 8283, December 2011
• N. Yamamoto, K. Akahane, T. Kawanishi, Y. Omigawa, H. Sotobayashi, Y. Yoshioka, and H. Takai, "Narrow-line-width 1.31-μm wavelength tunable quantum dot laser using sandwiched sub-nano separator growth technique," Optics Express, vol. 19, no. 26, pp.B636-B644, 2011.
• N. Yamamoto, H. Fujioka, D. Murakami, K. Akahane, T. Kawanishi, H. Sotobayashi, and H. Takai, "Developing a Half-Cladding Semiconductor Photonic Device Structure for Surface Transmission of Light Waves," Jpn. J. Appl. Phys. vol. 50, pp.04DG04-1-4, 2011.
• Y. Omigawa, Y. Kinoshita, N. Yamamoto, A. Kanno, K. Akahane, T. Kawanishi, and H. Sotobayashi, "Photonic crystal fiber based ultra-broadband transmission system for waveband division multiplexing," Proc. SPIE 8073, 80732T, 2011.
• N. Yamamoto, K. Akahane, T. Kawanishi, H. Sotobayashi, H. Fujioka, and H. Takai, "Broadband light source using modulated quantum dot structures with sandwiched sub-nano separator (SSNS) technique," physica status solidi (c), vol. 8, no. 2, pp. 328-330, 2011.
• G. S. Qin, T. Sakamoto, N. Yamamoto, T. Kawanishi, H. Sotobayashi, T. Suzuki, and Y. Ohishi, "Fine Control of Optical Pulse Width via Doublet Gain Lines, " Laser Physics, vol. 21, no. 1, pp. 158-162, 2011.
• N. Yamamoto, K. Akahane, T. Kawanishi, and H. Sotobayashi, "Nano-crystalline Sb-based compound semiconductor formed on silicon," J. Crystal Growth, vol. 323, no. 1, pp.431-433, 2011.
• N. Yamamoto, Y. Omigawa, Y. Kinoshita, A. Kanno, K. Akahanea, T. Kawanishi, and H. Sotobayashi, "Development of Broadband Optical Frequency Resource over 8.4 THz in 1.0-um Waveband for Photonic Transport Systems," Proc. of SPIE, vol. 7958, pp. 79580F-1-9, 2011.
• A. Kanno, S. Honda, R. Yamanaka, H. Sotobayashi, and T. Kawanishi, "Ultrafast and broadband frequency chirp signal generation using a high-extinction-ratio optical modulator," Optics Letters, vol. 35, no. 24, pp. 4160-4162, 2010.
• N. Yamamoto, K. Akahane, T. Kawanishi, R. Katouf, and H. Sotobayashi,"Quantum Dot Optical Frequency Comb Laser with Mode-Selection Technique for 1-um Waveband Photonic Transport System," Jpn. J. Appl. Phys. vol. 49, pp. 04DG03-1-04DG03-4, 2010.
• N. Yamamoto, Y. Omigawa, K. Akahane, T. Kawanishi, and H. Sotobayashi, "1-μm waveband and C-band, 10-Gbps Error Free Operation of Ultrabroadband Photonic Transport System with holey fiber," Proc. of SPIE, vol. 7621, pp.76210N-1-8, 2010.
• N. Yamamoto, Y. Omigawa, K. Akahane, T. Kawanishi, H. Sotobayashi, "Simultaneous 3 × 10 Gbps optical data transmission in 1-μm, C-, and L-wavebands over a single holey fiber using an ultra-broadband photonic transport system," Optics Express, vol.18, no.5, pp.4695-4700, 2010.
• I. Morohashi, T. Sakamoto, H. Sotobayashi, T. Kawanishi, and I. Hosako, "Broadband wavelength-tunable ultrashort pulse source using a Mach-Zehnder modulator and dispersion-flattened dispersion-decreasing fiber," OSA Opt. Lett., vol. 34, no. 15, pp. 2297-2299, 2009.
• G. Qin, T. Sakamoto, N. Yamamoto, T. Kawanishi, H. Sotobayashi, T. Suzuki, and Y. Ohishi, "Tunable all-optical pulse compression and stretching via doublet Brillouin gain lines in an optical fiber," OSA Opt. Lett., vol. 34, no. 8, pp.1192-1194, 2009.
• R. Katouf, N. Yamamoto, K. Akahane, T. Kawanishi, and H. Sotobayashi, "1-μm- band transmission by use of a wavelength tunable quantum-dot laser over a hole-assisted fiber," Proc. SPIE 7234, pp. 72340G-1-72340G-10, 2009.
• N. Yamamoto and H. Sotobayashi, "All-band photonic transport system and its device technologies (invited)," Proc. SPIE 7235, pp. 72350C-1-72350C-11, 2009.
• R. Katouf, N. Yamamoto, A. Kanno, N. Sekine, K. Akahane, H. Sotobayashi, T. Isu, and M. Tsuchiya, "Ultrahigh Relative Refractive Index Contrast GaAs Nanowire Waveguides," App. Phy. Exp. vol. 1, no. 12, pp. 122101-1-3, 2008.
• N. Yamamoto, H. Sotobayashi, K. Akahane, M. Tsuchiya, K. Takashima, and H. Yokoyama, "10-Gbps, 1-μm waveband photonic transmission with a harmonically mode-locked semiconductor laser," Optics Express, vol. 16, no. 24, pp. 19836-19843, 2008.
• I. Morohashi, T. Sakamoto, H. Sotobayashi, T. Kawanishi, I. Hosako, M. Tsuchiya, "Widely repetition-tunable 200fs pulse source using a Mach-Zehnder-modulator-based flat comb generator and dispersion-flattened dispersion-decreasing fiber," Opt. Lett., vol. 33, no. 11, pp. 1192-1194, 2008.
• G. Qin, H. Sotobayashi, M. Tsuchiya, A. Mori, T. Suzuki, Y. Ohishi, "Stimulated Brillouin scattering in a single mode tellurite fiber for amplification, lasing and slow light generation," J. Lightwave Tech., vol. 26, no. 5, pp. 492-498, 2008.
• G. Qin, H. Sotobayashi, M. Tsuchiya, A. Mori, Y. Ohishi, "Stimulated Brillouin amplification in a Tellurite fiber as a potential system for slow light generation," J. J. App. Phy., vol. 46, No. 34, 2007.
• T. Isu, J. Inoue, K. Akahane, H. Sotobayashi, and M. Tsuchiya, "Nonlinear absorption of highly stacked InAs quantum dot layers on an InP(311) substrate (invited)," Proc. SPIE, vol. 6393, pp. 639309-1-9, 2006.
• H. Sotobayashi, "Supercontinuum generation based lightwave management applied to multiplexing format conversion," Proc. SPIE, vol. 6187, 61870L-1-8, 2006.
• H. Sotobayashi, J. T. Gopinath, H. M. Shen, J. W. Sickler, P. T. Rakich, and E. P. Ippen, "Supercontinuum generation and its applications (invited)," Proc. SPIE Int. Soc. Opt. Eng., vol. 6014, pp. 60140T 1-8, 2005.
• J. T. Gopinath, H. M. Shen, H. Sotobayashi, E. P. Ippen, T. Hasegawa, T. Nagashima, and N. Sugimoto, "Highly nonlinear bismuth-oxide fiber for supercontinuum generation and femtosecond pulse compression," IEEE/OSA J. Lightwave Technol., vol. 23, no. 11, pp. 3591-3596, 2005.
• P. T. Rakich, H. Sotobayashi, J. T. Gopinath, J. W. Sickler, C. W. Wong, S. G. Johnson, M. Qi, E. Lidorikis, H. I. Smith, J. D. Joannopoulos, and E. P. Ippen, "Broadband optical studies of 1-D and 3-D photonic crystals (invited)," Proc. SPIE Int. Soc. Opt. Eng., vol. 6017, pp. 6011702 1-6, 2005.
• Y. Awaji, H. Sotobayashi, and F. Kubota, "Transmission of 80 gb/s * 6 WDM over 100 km using linear optical amplifiers," IEEE Photon. Technol. lett., vol.17, no. 3, pp. 699-701, 2005.
• P. T. Rakich, H. Sotobayashi, J. T. Gopinath, S. G. Johnson, J. W. Sickler, C. W. Wong, J. D. Joannopoulos, and E. P. Ippen, "Nano-scale photonic crystal microcavity characterization with an all-fiber based 1.2-2.0 μmsupercontinuum," OSA Optics Express, vol. 13, no. 3, pp. 821-825, 2005.
  
• J. T. Gopinath, H. M. Shen, H. Sotobayashi, E. P. Ippen, T. Hasegawa, T. Nagashima, and N. Sugimoto, "Highly nonlinear bismuth-oxide fiber for smooth supercontinuum generation at 1.5 μm," OSA Optics Express, vol. 12, no. 23, pp. 5697-5702, 2004.
• Y. Takushima, H. Sotobayashi, M. E. Grein, E. P. Ippen, and H. A. Haus, "Linewidth of mode combs of passively and actively mode-locked semiconductor laser diodes," Proc. SPIE Int. Soc. Opt. Eng., vol. 5595, pp. 213-227, 2004.
• H. Sotobayashi, J. T. Gopinath, J. W. Sickler, and E. P. Ippen, "Broadband fiber lasers using bismuth-oxide-based erbium-doped fiber amplifiers," Proc. SPIE Int. Soc. Opt. Eng., vol. 5595, pp. 16-25, 2004.
• H. Sotobayashi, J. T. Gopinath, E. M. Koontz, L. A. Kolodziejski and E. P. Ippen, "Wavelength tunable passively mode-locked bismuth oxide-based erbium-doped fiber laser," Optics Communications, vol. 237, no. 4-6, pp. 399-403, 2004.
• H. Sotobayashi, J. T. Gopinath, Y. Takushima, K. Hsu, and E. P. Ippen, "Broadband wavelength tunable, single frequency, and single polarization Bismuth Oxide-based Erbium-doped fiber laser," IEEE Photon. Technol. Lett., vol. 16, no. 7, pp. 1628-1630, 2004.
• H. Sotobayashi, W. Chujo, and K. Kitayama, "Highly spectral efficient optical code division multiplexing transmission system (invited)," IEEE J. S.T. Quant. Electron., vol. 10, no. 2, pp. 250-258, 2004.
• H. Sotobayashi, W. Chujo, and T. Ozeki, "Ultrafast OTDM/WDM networks by use of photonic processing," Proc. SPIE Int. Soc. Opt. Eng., vol. 5581, pp. 556-563, 2004.
• H. Sotobayashi, "Optical code-division multiplexing and its application to ultrafast photonic networks," Proc. SPIE Int. Soc. Opt. Eng., vol. 5581, pp. 26-39, 2004.
• H. Sotobayashi, J. T. Gopinath, and E. P. Ippen, "Broadband bismuth-oxide-based erbium-doped fiber lasers," Proc. SPIE Int. Soc. Opt. Eng., vol. 5460, pp. 1-9, 2004.
• H. Sotobayashi, "Optical code division multiplexing (OCDM)-based ultrafast photonic network," Proc. SPIE Int. Soc. Opt. Eng., vol. 5445, 20-25, 2004.
• Y. Koyamada, S. Sato, S. Nakamura, H. Sotobayashi, and W. Chujo, "Simulating and designing Brillouin gain spectrum in single-mode fibers," IEEE/OSA J. Lightwave Technol., vol. 22, no. 2, pp. 631-639, 2004.
• H. Sotobayashi, W. Chujo, and T. Ozeki, "Ultrafast Hierarchical OTDM/WDM Network (invited)," J. Sys. Cyb. Inf., vol. 1, no. 6, 2004.
• H. Sotobayashi, J.T. Gopinath, and E. P. Ippen, "23 cm long Bi₂O₃-based EDFA for picosecond pulse amplification with 80 nm gain bandwidth," IEE Electron. Lett., vol. 39, no. 19, pp. 1374-1375, 2003.
• 外林秀之、「光符号分割多重を用いた超高速フォトニックネットワーク」、光学, 第32巻, 第8号, pp. 498-504, 2003.
• J.T. Gopinath, H. Sotobayashi, and E. P. Ippen, "Broadband amplification of picosecond pulses in a 23 cm long of Bi₂O₃-based Erbium-doped fiber," OSA Trends in Optics and Photonics Series (TOPS), vol. 92, pp. 50-53, 2003.
• J. Inoue, H. Sotobayashi, W. Chujo, and H. Kawaguchi, "80 Gbit/s Conventional and Carrier-Suppressed RZ Signals Transmission over 200 km Standard Fiber by Using Mid-Span Optical Phase Conjugation (invited, OECC Awarded)," IEICE Trans. on Comm., vol. E86-B, no.5, pp.1555-1561, 2003.
• H. Sotobayashi, "Ultra-fast photonic networks based on optical division multiplexing (invited)," Radio Science Bulletin, no. 304, pp. 34-47, 2003.
• H. Sotobayashi, W. Chujo, and K. Kitayama, "Optical Code Division Multiplexing (OCDM) and Its Application for Peta-bit/s Photonic Network (invited)," Information Sciences, vol. 149, pp. 171-182, 2003.
• H. Sotobayashi, W. Chujo, and T. Ozeki, "Ultrafast photonic technologies for the hierarchical hybrid OTDM/WDM photonic networks," Proc. SPIE Int. Soc. Opt. Eng., vol. 5246, pp. 355-361, 2003.
• 外林秀之、「光符号分割多重と超高速光信号処理」(解説)、光学, 第32巻, 第1号, pp.26-31, 2003.
• H. Sotobayashi, "Improving Spectral Efficiency Based on Optical Code Division Multiplexing Techniques," OSA Optics & Photonics News, vol. 13, no. 12, p.37, 2002.
• H. Sotobayashi, W. Chujo, and K. Kitayama, "Photonic gateway: multiplexing format conversions of OCDM-to-WDM and WDM-to-OCDM at 40 Gbit/s (4 x 10 Gbit/s)," IEEE/OSA J. Lightwave Technol., vol. 20, no. 12, pp. 2002-2008, 2002.
• T. Miyazaki, H. Sotobayashi, and W. Chujo, "Synchronous optical demultiplexing and sampling of 80-Gb/s OTDM signals by optically recovered clock using mode-locked laser diode and symmetric mach--zehnder switch," IEEE Photon. Technol. Lett., vol. 14, no. 12, pp. 1734-1736, 2002
• H. Sotobayashi, A. Konishi, W. Chujo, and T. Ozeki, "Wavelength-band generation and transmission of 3.24-Tbit/s (81-channel WDM40-Gbit/s) carrier-suppressed return-to-zero format by use of a single supercontinuum source for frequency standardization," OSA J. Opt. Soc. Am. B, vol. 19, no. 11, pp. 2803-2809, 2002.
• H. Sotobayashi, K. Kitayama, and W. Chujo, "Photonic gateway: TDM-to-WDM-to-TDM conversion and reconversion at 40 Gbit/s (4 channels 10 Gbits/s )," OSA J. Opt. Soc. Am. B, vol. 19, no. 11, pp. 2810-2816, 2002.
• H. Sotobayashi, W. Chujo, and T. Ozeki, "Hierarchical hybrid OTDM/WDM network based on fast optical signal processing," IEEE LEOS News Letter, vol. 16, no. 5, 2002.
• H. Sotobayashi, "OCDM techniques for improved spectral densities," OSA Trends in Optics and Photonics Series (TOPS), vol. 77, pp. 278-283, 2002.
• T. Makino, H. Sotobayashi, and W. Chujo, "1.5 Tbit/s (75 x 20 Gbit/s) DWDM transmission using Er³⁺-doped tellurite fiber amplifiers with 63 nm continuous signal band," IEE Electron. Lett., vol. 27, no. 17, pp. 1555-1557, 2002.
• 外林秀之、「光符号分割多重ネットワーク」, 応用物理, 第71巻, 第7号, pp.853-859, 2002.
• J. Inoue, H. Sotobayashi, and W. Chujo, "Sub-picosecond transform-limited 160 Gbit/s optical pulse compression using supercontinuum generation," IEICE Trans. Electron., vol. E85-C, no. 9, pp. 1718-1719, 2002.
• H. Sotobayashi, C. Sawaguchi, Y. Koyamada, and W. Chujo, "Ultrafast walk-off free nonlinear optical loop mirror by a simplified configuration for 320 Gbit/s TDM signal demultiplexing," OSA Opt. Lett., vol. 27, no. 17, pp. 1555-1557, 2002.
• J. Inoue, H. Sotobayashi, W. Chujo, and H. Kawaguchi, "80 Gbit/s OTDM signal transmission over 208 km standard fibre using midspan optical phase conjugation based on four-wave mixing in semiconductor optical amplifiers," IEE Electron. Lett. vol. 38, no. 15, pp. 819-821, 2002.
• H. Sotobayashi, W. Chujo, and K. Kitayama, "Transparent virtual optical code/wavelength path network," IEEE Journal of Selected Topics in Quantum Electronics, vol. 8, no. 3, pp. 699-704, 2002.
• H. Sotobayashi, W. Chujo and K. Kitayama, "1.6-b/s/Hz 6.4-Tb/s QPSK-OCDM/WDM (4 OCDM x 40 WDM x 40 Gb/s) transmission experiment using optical hard thresholding," IEEE Photon. Technol. Lett., vol. 14, no.4, pp. 555-557, 2002.
• H. Sotobayashi, C. Sawaguchi, Y. Koyamada, and W. Chujo, "Walk-off free ultrafast nonlinear optical loop mirror composed of a highly-nonlinear dispersion-shifted fiber for demultiplexing 320 Gbit/s TDM signals," OSA Trends in Optics and Photonics Series (TOPS), volume on Optical Amplifiers and their Applications 2001, vol. 60, 2001.
• K. Onohara, H. Sotobayashi, K. Kitayama, and W. Chujo, "Photonic time-slot and wavelength-grid interchange for 10-Gb/s packet switching," IEEE Photon. Technol. Lett., vol. 13, no. 10, pp.1121-1123, 2001.
• H. Sotobayashi,W. Chujo, and T. Ozeki, "Wideband tunable wavelength conversion of 10 Gbit/s RZ signals by optical time-gating of highly chirped rectangular shape supercontinuum light source," OSA Opt. Lett., vol. 26, no. 17, pp. 1314-1316, 2001.
• H. Sotobayashi, W. Chujo, and K. Kitayama, "1.52 Tbit/s OCDM/WDM (4 OCDM x 19 WDM x 20 Gbit/s) transmission experiment," IEE Electron. Lett., vol. 37, no. 11, pp. 700-701, 2001.
• H. Sotobayashi, W. Chujo, and T. Ozeki, "80 Gbit/s simultaneous photonic demultiplexing based on OTDM-to-WDM conversion by four-wave mixing with a supercontinuum light source," IEE Electron. Lett., vol. 37, no. 10, pp. 640-642, 2001.
• H. Sotobayashi, K. Kitayama, and W. Chujo, "40 Gbit/s photonic packet compression and decompression by supercontinuum generation," IEE Electron. Lett., vol. 37, no. 2, pp. 110-111, 2001.
• K. Kitayama, N. Wada and H. Sotobayashi, "Architectural considerations for photonic IP router based upon optical code correlation," IEEE/OSA J. Lightwave Technol., vol. 18, no. 12, pp. 1834-1844, 2000.
• H. Sotobayashi and K. Kitayama, "Optical code based label swapping for photonic routing,"IEICE Trans. Commun., pp. 2341-2347, vol. E83-B, no. 10, 2000.
• H. Sotobayashi, K. Kitayama.and W. Chujo, "Photonic compression and decompression of 40 Gbit/s packet by supercontinuum generation, " OSA Trends in Optics and Photonics Series (TOPS), volume on Optical Amplifiers and their Applications 2000, vol. 44, 2000.
• T. Hashimoto, H. Sotobayashi, K. Kitayama and W. Chujo, "Photonic conversion of OC-192 OTDM to-4xOC-48 WDM by supercontinuum generation," IEE Electron. Lett., vol. 36, no. 13, pp. 1133-1135, 2000.
• N. Wada, H. Sotobayashi, and K. Kitayama, "2.5Gbit/s time-spread/wavelength-hop optical code division multiplexing using fibrebragg grating with supercontinuum light source," IEE Electron. Lett., vol. 36, no. 9, pp. 815-817, 2000.
• K. Kitayama, H. Sotobayashi and N. Wada, "Optical code division multiplexing (OCDM) and its application to photonic networks," IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, vol. E82-A, no. 12, pp. 2616-2626, 1999.
• H. Sotobayashi and K. Kitayama, "Cancellation of the signal fading for 60 GHz subcarrier multiplexed optical DSB signal transmission in non-dispersion-shifted fiber using midway optical phase conjugation," IEEE/OSA J. Lightwave Technol., vol. 17, no. 12, pp. 2488-2497, 1999.
• H. Sotobayashi and K. Kitayama, "Observation of phase conservation in multi-wavelength BPSK pulse sequence generation at 10 Gbit/s using spectrum-sliced supercontinuum in an optical fiber," OSA Optics Letters., vol. 24, no. 24, pp. 1820-1822, 1999.
• H. Sotobayashi and K. Kitayama, "All-optical code and wavelength conversion of 10 Gb/s BPSK codes by four-wave mixing in semiconductor optical amplifier for optical code division multiplexing," OSA Trends in Optics and Photonics Series (TOPS), volume on Optical Amplifiers and their Applications '99, vol. 30, pp. 271-274, 1999.
• H. Sotobayashi and K. Kitayama, "10 Gb/s OCDM/WDM multiple access using spectrum-sliced supercontinuum BPSK pulse code sequences," OSA Trends in Optics and Photonics Series (TOPS), volume on Optical Amplifiers and their Applications '99, vol. 30, pp. 258-261, 1999.
• H. Sotobayashi and K. Kitayama, "Broadcast-and-select OCDM/WDM network by using 10Gbit/s spectrum-sliced supercontinuum BPSK pulse code sequences," IEE Electron. Lett., vol. 35, no. 22, pp. 1966-1967, 1999.
• A. Franzen, H. Sotobayashi, K. Kitayama, and I. Andonovic, "Demonstration of a high resolution synchroniser to facilitate payload recovery at an optical node," IEEE Photon. Technol. Lett., 1999.
• H. Sotobayashi and K. Kitayama, "All-optical simultaneous code and wavelength conversion of 10 Gb/s BPSK codes by four-wave mixing in a semiconductor optical amplifier for optical code division multiplexings," IEE Electron. Lett., vol. 35, no. 13, pp. 1091-1093, 1999.
• H. Sotobayashi and K. Kitayama, "Effects of asymmetric power change on BER performance using midway optical phase conjugation for fading cancellation in 60 GHz millimeter-wave optical DSB signal transmission over 100 km non-dispersion-shifted fiber," IEE Electron. Lett., vol. 35, no. 12, pp. 992-993, 1999.
• H. Sotobayashi and K. Kitayama, "1.24 Gb/s, optical code division multiplexing transmission over 40 km dispersion-shifted fiber by bipolar coding using broadband incoherent light source," IEE Electron. Lett., vol. 35, no. 11, pp. 911-913, 1999.
• N. Wada, H. Sotobayashi, and K. Kitayama, "Error-free 100 km transmission of 10 Gbit/s optical code division multiplexing using BPSK picoseconds-pulse code sequence with novel time-gating detection," IEE Electron. Lett., vol. 35, no. 10, pp. 833-834, 1999.
• H.Sotobayashi and K. Kitayama, "Transfer response measurements of a programmable bipolar optical transversal filter by using the ASE noise of an EDFA," IEEE Photon. Technol. Lett., vol. 11, no. 7, pp.871-873, 1999.
• H.Sotobayashi and K. Kitayama, "Observation of phase conservation in a pulse sequence at 10 Gbit/s in a semiconductor optical amplifier wavelength convertor by four-wave mixing," IEEE Photon. Technol. Lett., vol. 11, no. 1, pp.45-47, 1999.
• H. Sotobayashi and K. Kitayama, "325 nm bandwidth supercontinuum generation at 10 Gbit/s using dispersion-flattened and non-decreasing normal dispersion fibre with pulse compression technique," IEE Electron. Lett., vol. 34, no. 13, pp.1336-1337, 1998.
• I. Andonovic, H. Sotobayashi, N. Wada, and K. Kitayama, "Experimental demonstration of the (de)coding of hybrid phase and frequency codes using a pseudolocal oscillator for optical code division multiplexing," IEEE Photonics Technology Letters, vol. 10, no. 6, pp.887-890, 1998.
• H. Sotobayashi and K. Kikuchi, "Design theory of ultra-short pulse generation from actively mode-locked fiber lasers," IEICE Transactions on Electronics, vol. E91-C, no. 2, pp.201-207, 1998.
• T. Kato, H. Sotobayashi, J. Lee, Y. Kondo, and Y. Fujii, "Multipoint temperature sensor using fiber optic ring resonator by pulse-frequency localization," Proc. SPIE Int. Soc. Opt. Eng., vol. 2071, pp. 153-162, 1993.

基調講演・チュートリアル講演・招待講演

• 赤羽浩一，山本直克， 川西哲也， 外林秀之， 吉岡佑毅， 高井裕司, "(招待講演)半導体量子ドットを用いた広帯域波長可変光源," レーザー学会学術講演会第33回年次大会, Hyogo, January 2013.
• 山本直克，赤羽浩一，川西哲也，外林秀之，吉岡佑毅，高井裕司, "半導体量子ドット構造による広帯域波長可変・モード同期レーザー(招待講演)," 電子情報通信学会超高速光エレクトロニクス研究会, Tokyo, June 2012.
• H. Sotobayashi, "Recent progress and prospect of ultra-broadband photonic network (keynote presentation)" International Conference on Communications Systems and Technologies (ICCST2010), San Francisco, October 2010.
• I. Morohashi, T. Sakamoto, H. Sotobayashi, T. Kawanishi, and I. Hosako,"Ultrashort Optical Pulse Generation Using Mach-Zehnder-Modulator-Based Flat Comb Generator and Dispersion-Flattened Dispersion-Decreasing Fiber (invited)," Asia-Pacific Microwave Photonics Conference 2010 (APMP2010), TB2-3, Hong Kong, April 2010.
• N. Yamamoto and H. Sotobayashi, "Quantum Dot Photonic Devices for 1-um Waveband Photonic Transport System (invited),"the 12th International Symposium on Microwave and Optical Technology (ISMOT2009), New Delhi, December 2009.
• H. Sotobayashi, K. Akahane, and N. Yamamoto, "OTDM/WDM using Optical Signal Processing (invited)," IEEE Photonics Society Summer Topicals 2009, WC2.1, pp. 113-114, Newport Beach, July 2009.
• N. Yamamoto and H. Sotobayashi, "All-band photonic transport system and its device technologies (invited)," SPIE Photonics West, 7235-12, San Jose, January 2009.
• H. Sotobayashi, "All-band photonic transport system (plenary)," the International Commission for Optics (ICO) 21-2008 Congress, Sydney, July 2008.
• H. Sotobayashi, "Ultrafast photonic processing and its applications to ultra-wideband photonic networks (invited)," Asia Pacific Laser Symposium (APLS 2008), Nagoya, January, 2008.
• H. Sotobayashi, N. Yamamoto, K. Akahane, M. Tsuchiya, "All-band photonic transport system and its enabling technologies (invited)," International Conference on Communications Systems and Technologies (ICCST 2007), San Francisco, October 2007.
• H. Sotobayashi, N. Yamamoto, K. Akahane, M. Tsuchiya, K. Takashima, H. Yokoyama, "Development of a 1030-nm mode-locked semiconductor laser and its applications (invited)," SPIE Optics East 2007, Boston, September 2007.
• H. Sotobayashi, "Ultrafast optical code division multiplexing and its enabling components (TUTORIAL presentation" SPIE Optics East, paper 6089-22, Boston, October 2006.
• T. Isu, J. Inoue, K. Akahane, H. Sotobayashi, M. Tsuchiya, "Nonlinear absorption of highly stacked InAs quantum dot layers on an InP(311) substrate (Invited)," SPIE Optics East, paper 6093-09, Boston, October 2006.
• H. Sotobayashi, "Code-division Multiplexing Technique Applied to Photonic Networks (PLENARY presentation)," IASTED International Conference Communication Systems and Networks (CSN 2006), Palma de Mallorca, August 2006.
• H.Sotobayashi, "Supercontinuum generation based photonic processing applied to multiplexing format conversions (Invited)," the 11th European Conference on Networks & Optical Communications (NOC 2006), Berlin, July 2006.
• H. Sotobayashi, J. T. Gopinath, H. M. Shen, J. W. Sickler, P. T. Rakich, and E. P. Ippen, "Supercontinuum generation and its applications (invited paper)," SPIE Optics East, paper 6014-30, Boston, October 2005.
• P.T. Rakich, H.Sotobayashi, J.T. Gopinath, J. W. Sickler, C. W. Wong, M. Qi, S. G. Johnson, E. Lidorikis, J. D. Joannopoulos, H. I. Smith ,and E. P. Ippen, "Broadband studies of 1D and 3D photonic crystals (invited paper)," SPIE Optics East, paper 6017-02, Boston, October 2005.
• P.T. Rakich, H.Sotobayashi, J.T. Gopinath, J. W. Sickler, C. W. Wong, M. Qi, S. G. Johnson, E. Lidorikis, J. D. Joannopoulos, H. I. Smith ,and E. P. Ippen, "Broadband optical studies of 1D and 3D photonic crystals (invited)," the 10th European Conference on Networks & Optical Communications (NOC 2005), London, July 2005.
• H. Sotobayashi, J. T. Gopinath, J. W. Sickler, and E. P. Ippen, "Broadband fiber lasers using Bismuth Oxide-based Erbium-doped fiber amplifiers (invited)" SPIE Optics East, paper 5595-03, Philadelphia, October 2004.
• Y. Takushima, H. Sotobayashi, M. E. Grein, E. P. Ippen, and H. A. Haus, "Linewidth of mode combs of passively and actively mode-locked semiconductor laser diodes (invited)," SPIE Optics East, paper 5595-31, Philadelphia, October 2004.
• K. Kitayama, X. Wang, H. Sotobayashi, "State of the Art of OCDMA, OCDM, and OC-label Switchings (invited)," 30th European Conference on Optical Communication(ECOC2004), Stockholm, no. Tu4.6.1, pp.266-269, September 2004.
• H. Sotobayashi, J. T. Gopinath, J. W. Sickler, and E. P. Ippen, "Novel fiber laser technologies using broadband Bismuth Oxide-based Erbium-doped fiber amplifiers (invited)" the 9th European Conference on Networks & Optical Communications (NOC 2004), paper no.5, Eindhoven, June 2004.
• H. Sotobayashi, J.T. Gopinath, and E.P. Ippen, "Broadband bismuth oxide-based erbium-doped fiber lasers (invited)," SPIE Photonics Europe 2004, paper 5460-01, Strasbourg, April 2004.
• H. Sotobayashi, J.T. Gopinath, and E.P. Ippen, "Bi₂O₃-Based Erbium-Doped Fibers for Broadband Photonic Network Applications (Invited)," 2nd Symposium on Photonics, Networking and computing (PNC 2003), PNC-2, Cary, September 2003.
• H. Sotobayashi, "Ultrafast optical code division multiplexing and its applications to ultrafast photonic networks (PLENARY presentation)," The 7th conference on optics (ROMOPTO 2003), PI4, Constanta, September 2003.
• H. Sotobayashi, W. Chujo, and T. Ozeki, "Ultrafast OTDM/WDM networks by use of photonic processing (Invited)," The 7th conference on optics (ROMOPTO 2003), Constanta, III.I.6, September 2003.
• H. Sotobayashi, W. Chujo, and T. Ozeki, "Ultrafast photonic technologies for the hierarchical hybrid OTDM/WDM photonic networks (Invited)," paper 5246-43, Information Technologies and Communications (ITCom 2003), Orlando, September 2003.
• H. Sotobayashi, "Optical code division multiplexing based ultrafast photonic netowk (Invited)," 9th International Symposium on Microwave and Optical Technology (ISMOT 2003), paper 156, Ostrava, August 2003.
• H. Sotobayashi, W. Chujo, and T. Ozeki, "Ultrafast photonic processing and its application to ultra-wideband OTDM/WDM networks (Invited)," 8th European Conference on Networks & Optical Communications (NOC 2003), pp. 75-82, Vienna, July 2003.
• H. Sotobayashi, "OCDM techniques for improved spectral efficiency (Invited),"IEEE LEOS annual meeting (LEOS 2002), ThY1, Glasgow, November 2002.
• H. Sotobayashi, "Ultra-fast photonic networks based on optical code division multiplexing (Tutorial)," XXVIIth URSI General Assembly, The Commission D Tutorial, DT, Maastricht, August 2002.
• H. Sotobayashi, W. Chujo, and T. Ozeki, "Hierarchical Hybrid OTDM/WDM Network (Invited)," IEEE LEOS Summer Topicals 2002, WF3, Quebec, July 2002.
• H. Sotobayashi, "OCDM techniques for improved spectral efficiency (Invited),"Optical Amplifiers and their Applications (OAA 2002), OTuB1, Vancouver, July 2002.
• H. Sotobayashi, W. Chujo, and K. Kitayama, "Optical Code Division Multiplexing (OCDM) and Its Application for Peta-bit/s Photonic Network (Invited)," 1 st Symposium on Photonics, Networking and Computing (PNC 2002), pp. 1371-1374, Durham, March 2002.
• H. Sotobayashi, K. Kitayama, T. Hashimoto, and W. Chujo, "Photonic gateway (invited)," International Topical Workshop on Contemporary Photonic Technologies (CPT2001), Wc-3, pp. 151-154, Tokyo, January 2000.

国際会議

• K. Akahane, M. Inui, T. Umezawa, A. Kanno, N. Yamamoto, T. Kawanishi, and H. Sotobayashi, "Change of frequency separation for tow mode quantum dot lasers by using the birefringent etalon filter," the 41st International conference on Infrared, Millimeter and Terahertz Wves (IRMMW-THZ2016), paper M5P.12.52, Copenhagen, September 2016.
• K. Akahane, S. Umeda, Naokatsu Yamamoto and Hideyuki Sotobayashi, "Fabrication of carbon nanotube embedded structure in ZnO," the seventeenth international conference on the science and application of nanotubes and low-dimentional materials, paper A16, Vienna, August 2016.
• A. Murano, S. Yamada, A. Kanno, N. Yamamoto, and H. Sotobayashi, "10-Gbaud QPSK Signal Simultaneous Transmission in the T- and C-bands for Ultra-Broadband Photonic Transport System," the 21st optoelectronics and communications conference / international conference on photonics in switching 2016 (OECC/PS 2016), paper MB2-2, Niigata, July 2016.
• J. Oba, K. Kamikawa, A. Kanno, N. Yamamoto, and H. Sotobayashi, "Frequency-Stabilized Multi-Tone Signal Generation By Optical Frequency Locked-Loop And Optical Frequency Comb," the 21st optoelectronics and communications conference / international conference on photonics in switching 2016 (OECC/PS 2016), paper WA2-17, Niigata, July 2016.
• A. Murano, S. Yamada, A. Kanno, N. Yamamoto, and H. Sotobayashi, "20-Gb/s QPSK transmission over 4km-long holey fiber using a wavelength tunable quantum dot light laser in T-band," SPIE Photonics West 2016, paper 9774-11, San Francisco, February 2016.
• M. Suzuki, A. Kanno, N. Yamamoto, and H Sotobayashi, "Evaluation of quadrature-phase-shift-keying signal characteristics in W-band radio-over-fiber transmission using direct in-phase/quadrature-phase conversion technique, SPIE Photonics West 2016, paper 9772-12, San Francisco, February 2016.
• K. Akahane, N. Yamamoto, T. Umezawa, T. Kawanishi, T. Tanaka, S. Nakamura, and H. Sotobayashi, "Time Resolved Photoluminescence for InAs Quantum Dot Grown on InP(311)B by Digital Embedding Method," the International Symposium on Compound Semiconductors (ISCS), paper, We2GN7, Santa Barbara, July 2015.
• S. Maruyama, A. Kanno, T. Kawanishi, K. Tomishige, and H. Sotobayashi, "Optical-electrical hybrid signal equalizer for ultra-high-speed transmission," SPIE Photonics West 2015, paper 9388-22, San Francisco, February 2015.
• A. Murano, H. Yagi, N. Yamamoto, A. Kanno, T. Kawanishi, and H. Sotobayashi, "20-Gb/s QPSK transmission over 10 km-long holey fiber using a wavelength tunable quantum dot light source in O band," SPIE Photonics West 2015, paper 9388-12, San Francisco, February 2015.
• M. Suzuki, A. Kanno, T. Kawanishi, and H. Sotobayashi, "22.5-GHz-band radio-over-fiber signal transmission over fiber-wireless hybrid link using optical phase-locked loop source," MWP (Microwave Photonics) / APMP (Asia-Pacific Microwave Photonics Coference)2014, Sapporo, October 2014.
• A. Murano, K. Kurata1, K. Tomishige1, A. Kanno, N. Yamamoto, T. Kawanishi, and H. Sotobayashi, "1.3μm waveband 10-Gbaud Quadrature-Phase-shift-Keying Signal Transmission Over 4-km Holey Fiber Using Quantum Dot Laser," the OptoElectronics and Communication Conference and the Australian Conference on Optical Fibre Technology (OECC/AOFT2014), paper WE8D-2, Melbourne, July 2014.
• R. Yamanaka, R. Matsumoto, H. Sotobayashi, A. Kanno, and T. Kawanishi "Highly Frequency-Stabilized Millimeter-Wave Signal Generation Using Optical Phase-Locked Loop and Flat Optical Frequency Comb," Conference on Lasers and Electro-Optics Pacific Rim, and OptoElectronics and Communications Conference 2013, paper WPC-13, Kyoto, July 2013.
• K. Akahane, N. Yamamoto, S. Yasuda, H. Takai, S. Umeda, S. Nakamura, H. Sotobayashi, "Laser power dependence of laser-assisted alcohol chemical vapor deposition of carbon nanotubes," Nano Tube 2013, Espoo, June 2013.
• Y. Kurata, N. Yamamoto, K. Akahane, T. Kawanishi, H. Sotobayash Y. Yoshioka, H. Takai, "1.3-μm waveband multiple-wavelength InAs/InGaAs quantum dot light source for wide wavelength range of 10 Gb/s transmissions over 8-km long holey fiber," SPIE Photonics West 2013, paper 8646-28, San Francisco, February 2013.
• K. Akahane, N. Yamamomto, M. Maeda, H. Takai, S. Nakamura, H. Yamaguchi, and H. Sotobayashi, "Synthesis of Carbon Nanotubes by Laser-Assisted Alcohol Chemical Vapor Deposition," the European Materials Research Society Spring Meeting 2012, Strasbourg, May 2012.
• N. Yamamoto, K. Akahane, T. Kawanishi, H. Sotobayashi, Y. Yoshioka, and H. Takai, ""Ultra-wideband wavelength tunable optical short pulse generation from hybrid modelocked quantum dot optical frequency comb laser," The Conference on Lasers and Electro-Optics (CLEO2012), paper CW1N.3, San Jose, May 2012.
• T. Fujita, R. Yamanaka, A. Kanno, T. Kawanishi, and H. Sotobayashi, "25-GHz-Band RoF Signal Generation Using Dual-Polarization QPSK Modulator," the Asia-Pacific Microwave Photonics Conference 2012 (APMP2012), paper Wc-5, Kyoto, April 2012.
• R. Yamanaka, T. Fujita, H. Sotobayashi, A. Kanno, and T. Kawanishi, "Phase Noise Analysis of Frequency Quadrupler Using Dual-Drive Mach-Zehnder Modulator and Two Free Running Lasers," the Asia-Pacific Microwave Photonics Conference 2012 (APMP2012), paper PA-6, Kyoto, April 2012.
• R. Yamanaka, N. Tajima, A. Kanno, T. Kawanishi, and H. Sotobayashi, "U-Band Frequency Chirp Signal Generation by Optical Quadrupling with Optical Mach-Zehnder Modulator," the Asia-Pacific Microwave Photonics Conference 2012 (APMP2012), paper PA-8, Kyoto, April 2012.
• N. Yamamoto, K. Akahane, T. Kawanishi, H. Sotobayashi, Y. Yoshioka, and H. Takai, "Optical Pulse Generation from Quantum Dot Optical Frequency Comb Laser," The 31st Progress In Electromagnetics Research Symposium (PIERS), Kuala Lumpur, March, 2012.
• N. Yamamoto, K. Akahane, T. Kawanishi, Y. Omigawa, H. Sotobayashi, Y. Yoshioka, and H. Takai, "Error-free 10-Gb/s, 11.4-km long transmission on 1.3-μm waveband photonic transport system with wavelength tunable quantum dot laser and holey fiber transmission line," the Optical Fiber Communication Conference (OFC2012), paper OTh4F.3, Los Angeles, March 2012.
• N. Yamamoto, A. Kanno, K. Akahane, T. Kawanishi, Y. Omigawa, Y. Kurata, and H. Sotobayashi, "Polarization division multiplexed 2×10-Gbps transmissions over 10-km long holey fiber in 1.0-μm waveband photonic transport system," SPIE Photonic West 2012, paper 8283-9, San Francisco, January 2012.
• N. Yamamoto, K. Akahane, T. Kawanishi, and H. Sotobayashi, "3-μm wavelength-tunable compact light source with 805/1064-nm differential frequency generation using intracavity photon-reuse and spectrum shaping techniques," SPIE Photonic West 2012, paper 8235-7, San Francisco, January 2012.
• K. Akahane, N. Yamamoto, M. Maeda, H. Takai, S. Nakamura, H. Yamaguchi, and H. Sotobayashi, "Synthesis of Carbon Nanotubes by Laser-Assisted Alcohol Chemical Vapor Deposition," International Workshop on Quantum Nanostructures and Nanoelectronics (QNN2011), paper P-2, Tokyo, October 2011.
• I. Morohashi, T. Sakamoto, N. Yamamoto, H. Sotobayashi, T. Kawanishi, and I. Hosako, "Generation of broadband comb with high flexibility using Mach-Zehnder-modulator-based flat comb generator," Symposium on A Revolution in Spectroscopy by the Optical Frequency Comb, Tsukuba, September 2011.
• I. Morohashi, T. Sakamoto, H. Sotobayashi, T. Kawanishi, and I. Hosako, "Generation of 110 fs-width optical pulse using MZM-Based Flat Comb Generator and DF-DDF," the 16th Opto-Electronics and Communications Conference (OECC2011), paper 5D4_3, Taiwan, July 2011.
• A. Kanno, N. Yamamoto, H. Sotobayashi, and T. Kawanishi, "44.8-Gbaud DP-QPSK Transmission over 3-km Endlessly Single-Mode Holey Fiber," the 16th Opto-Electronics and Communications Conference (OECC2011), 7B1_3, Taiwan, July 2011.
• N. Yamamoto, Y. Yoshioka, K. Akahane, T. Kawanishi, R. Katouf, H. Sotobayashi, and H. Takai, "1.3 μm wavelength-tunable quantum dot optical frequency comb generator integrated with absorptive optical attenuator," the 38th International Symposium on Compound Semiconductors (ISCS 2011) and the 23rd International Conference on Indium Phosphide and Related Materials (IPRM2011), paper We-1C.2, Berlin, May 2011.
• A. Kanno, S. Honda, R. Yamanaka, H. Sotobayashi, and T. Kawanishi, "2.56x10^17 Hz/s frequency chirp signal generation using DSB-SC optical modulation without optical filters," CELO Europe 2011, paper CI.P.8, Munich, May 2011.
• N. Yamamoto, Y. Yoshioka, K. Akahane, T. Kawanishi, H. Sotobayashi, H. Takai, "100-GHz channel spacing and O-band quantum dot optical frequency comb generator with interference injection locking technique," The Conference on Lasers and Electro-Optics (CLEO2011), paper CTuV7, Baltimore, May 2011.
• Y. Omigawa, Y. Kinoshita, N. Yamamoto, A. Kanno, K. Akahane, T. Kawanishi, and H. Sotobayashi, "Photonic crystal based ultra-broadband transmission system for wave-band division multiplexing," SPIE Optics Optoelectronics 2011, paper 8073B-114, Prague, April 2011.
• I. Morohashi, T. Sakamoto, N. Yamamoto, H. Sotobayashi, T. Kawanishi, and I. Hosako, "THz-Bandwidth Optical Comb Generation using Mach-Zehnder-Modulator-Based Flat Comb Generator with Optical Feedback Loop," the Optical Fiber Communication Conference (OFC2011), paper JThA029, Los Angeles, March 2011.
• N. Yamamoto, Y. Omigawa, Y. Kinoshita, A. Kanno, K. Akahane, T. Kawanishi, and H. Sotobayashi, "Polarization Division Multiplexed 2×10-Gbps Optical Data Transmissions over a Holey Fiber in 1-μm-waveband Photonic Transport System," the Optical Fiber Communication Conference (OFC2011), paper ThZ5, Los Angeles, March 2011.
• N. Yamamoto, Y. Omigawa, Y. Kinoshita, A. Kannno, K. Akahane, T. Kawanishi, and H. Sotobayashi, "Development of broadband optical frequency resource over 8.4-THz in 1.0-μm waveband for photonic transport systems," SPIE Photonic West 2011, paper 7958-14, San Francisco, January 2011.
• I. Morohashi, T. Sakamoto, N. Yamamoto, T. Kawanishi, I. Hosako, and H. Sotobayashi, "Broadening of Comb bandwidth by Multiple Modulation using Feedback Loop in Mach-Zehnder-Modulator-Based Flat Comb Generator," IEEE International Topical Meeting on Microwave Photonics (MWP2010), paper TH3-6, pp. 220-223, Montreal, October 2010.
• A. Kanno, S. Honda, H. Sotobayashi, T. Kawanishi, "12.8-GHz-Bandwidth Frequency Chirp Signal Generation with High-Extinction-Ratio Optical Modulator by Optical Frequency Doubling Technique," IEEE International Topical Meeting on Microwave Photonics (MWP2010), paper TH4-16, pp. 283-285, Montreal, October 2010.
• N. Yamamoto, D. Murakami, H. Fujioka, K. Akahane, T. Kawanishi, H. Sotobayashi, and H. Takai, "Development of half-cladding semiconductor photonic device structure for surface transmission of light waves," International Conference on Solid State Devices and Materials (SSDM2010), paper D-2-2, Tokyo, September 2010.
• I. Morohashi, T. Sakamoto, H. Sotobayashi, T. Kawanishi, and I. Hosako, "Broadband Optical Comb Generation using Mach-Zehnder-Modulator-Based Flat Comb Generator with Feedback Loop," the 36th European Conference on Optical Communication (ECOC2010), paper P2.16, Turin, September 2010.
• N. Yamamoto, K. Akahane, T. Kawanishi, R. Naitou, and H. Sotobayashi, "Wavelength Tunable Characteristics of Mid-Infrared Intracavity 3-micron Waveband Light Source with 805-nm-band Laser Diode Excitation," the 35th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2010), paper We-P.65, Rome, September 2010.
• M. Picollo, C. Cucci, K. Fukunaga, M. Mizuno, K. Yamamoto, and H. Sotobayashi, "A new artists・materials spectroscopic archive in the THz region," the 35th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2010), paper Th-P.01, Rome, September 2010.
• K. Yamamoto, K. Fukunaga, M. Mizuno, I. Hosako, M. Picollo, and H. Sotobayashi, "Examination of pigments by using FT-THz," the 35th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2010), paper Th-P.04, Rome, September 2010.
• I. Morohashi, T. Sakamoto, H. Sotobayashi, T. Kawanishi, I. Hosako, "Phase Noise Characteristics of Millimeter Wave Generated by Mach-Zehnder-Modulator-Based Flat Come Generator," the 35th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2010), paper Th-P.87, Rome, September 2010.
• J. Hamazaki, I. Morohashi, N. Sekine, I. Hosako, and H. Sotobayashi, "Mode-locked fiber laser for Teraherz generation" the 5th Workshop on Stimulated Brillouin Scattering & Phase Conjugation (SBS&PC2010), Chiba, August 2010.
• N. Yamamoto, K. Akahane, T. Kawanishi, and H. Sotobayashi, "Nano-crystalline Sb-based compound semiconductor formed on silicon," the 16th International Conference on Molecular Beam Epitaxy (MBE2010), paper Fri A1.5, Berlin, August 2010.
• N. Yamamoto, K. Akahane, T. Kawanishi, H. Sotobayashi, H. Fujioka, and H. Takai, "Broadband Light Source using Modulated Quantum Dot Structures with Sandwiched Sub-Nano Separator (SSNS) Technique," the 37th International Symposium on Compound Semiconductors (ISCS2010), WeE3-6, Kagawa, June 2010.
• N. Yamamoto, R. Naito, K. Akahane, T. Kawanishi, H. Sotobayashi, "Wavelength-Tunable Mid-Infrared 3-μm-Waveband Light Source with 805/1064-nm Differential Frequency Generation in Effective Intracavity System," The Conference on Lasers and Electro-Optics (CLEO2010), paper CThH7, San Jose, May 2010.
• N. Yamamoto, Y. Omigawa, K. Akahane, T. Kawanishi, and H. Sotobayashi, "Simultaneous Triple-Waveband, 10-Gbps Transmission in 1-μm, C-, and L-Wavebands over a 5.4-km Long Holey Fiber," The Conference on Lasers and Electro-Optics (CLEO2010), paper CWI1, San Jose, May 2010.
• I. Morohashi, T. Sakamoto, H. Sotobayashi, T. Kawanishi, I. Hosako, "Timing Jitter Characteristics of Ultrashort Optical Pulse Generator Using Mach-Zehnder-Modulator-Based Flat Comb," The Conference on Lasers and Electro-Optics (CLEO2010), paper JTuD46, San Jose, May 2010.
• N. Yamamoto, Y. Omigawa, K. Akahane, T. Kawanishi, and H. Sotobayashi, "Simultaneous 3 x 10-Gbps Optical Data Transmission in 1-μm, C-, and L-Wavebands over a Single Holey Fiber for Ultrabroad-Waveband Photonic Transport System," The Optical Fiber Communication Conference (OFC2010), paper OWM2, San Diego, March 2010.
• I. Morohashi, T. Sakamoto, H. Sotobayashi, T. Kawanishi, I. Hosako, "Observation of Narrow Linewidth Beat Signal for Millimeter Wave Generation Using MZM-Based Flat Comb Generator," The Optical Fiber Communication Conference (OFC2010), paper JWA13, San Diego, March 2010.
• N. Yamamoto, K. Akahane, T. Kawanishi, Y. Omigawa, H. Sotobayashi, "1-μm waveband and C-band, 10-Gbps error-free operation of ultra-broadband photonic transport system with holey fiber," SPIE Photonic West 2010, paper 7621-22, San Francisco, January 2010.
• K. Yamamoto, H. Sotobayashi, M. Mizuno, K. Fukunaga, and I. Hosako, "Terahertz spectra of Azurite and Malachite - Influence of grain size," the International Workshop on Terahertz Technology 2009 (TeraTech 2009), Osaka, December 2009.
• N. Yamamoto, K. Akahane, T. Kawanishi, R. Katouf, and H. Sotobayashi, "Optical Mode-selection of Quantum Dot Frequency Comb Laser for 1-um Waveband Optical Communications," the International Conference on Solid State Devices and Materials (SSDM 2009), paper I-6-3, Sendai, October 2009.
• N. Yamamoto, K. Akahane, T. Kawanishi, R. Katouf, and H. Sotobayashi, "Development of optical frequency comb generator from single quantum dot laser diode with interference injection seeding technique," the 1st EOS Topical Meeting on Lasers, Capri, September 2009.
• N. Sekine, Y. Ohno, K. Kanou, H. Sotobayashi, M. Mizuno, K. Fukunaga, I. Hosako, "Portable real-time terahertz imaging system," the 34th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz2009), Busan, September 2009.
• I. Morohashi, T. Sakamoto, H. Sotobayashi, T. Kawanishi, and I. Hosako, "High Accurate and Broadband Optical Comb Generation Using MZM-Based Flat Comb Generator and Soliton," the 34th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz2009), paper W4C03, Busan, September 2009.
• G. Qin, T. Sakamoto, N. Yamamoto, T. Kawanishi, H. Sotobayashi, T. Suzuki, and Y. Ohishi, "Tunable all-optical pulse compression and stretching via doublet Brillouin gain lines in an optical fiber," The European Conference on Lasers and Electro-Optics (CLEO Europe 2009), paper CD.P.1, Munich, June 2009.
• I. Morohashi, T. Sakamoto, H. Sotobayashi, T. Kawanishi, and I. Hosako, "10 GHz-spaced, 20 THz-Wide Comb Generation from CW Light using Mach-Zehnder Modulator Based Comb Generator and Dispersion-Flattened Dispersion-Decreasing Fiber," The European Conference on Lasers and Electro-Optics (CLEO Europe 2009), paper CI4.4, Munich, June 2009.
• N. Yamamoto, H. Fujioka, K. Akahane, R. Katouf, T. Kawanishi, H. Takai, H. Sotobayashi, "O-Band InAs/InGaAs Quantum Dot Laser Diode with Sandwiched Sub-nano Separator (SSNS) Structures," The 29th Conference on Lasers and Electro Optics and the 27th International Quantum Electronics Conference (CLEO/QELS2009), paper JThE12, Baltimore, June 2009.
• I. Morohashi, T. Sakamoto, H. Sotobayashi, T. Kawanishi, I. Hosako, "Observation of 100 GHz Beat Signal for Millimeter-Wave Generation Using Mach-Zehnder-Modulator-Based Flat Comb Generator," The 29th Conference on Lasers and Electro Optics and the 27th International Quantum Electronics Conference (CLEO/QELS2009), paper JWA75, Baltimore, June 2009.
• N. Yamamoto, R. Katouf, K. Akahane, T. Kawanishi, H. Sotobayashi, "1-μm Waveband, 12.5-Gbps Transmission with a Wavelength Tunable Single-Mode Selected Quantum-Dot Optical Frequency Comb Laser," The 29th Conference on Lasers and Electro Optics and the 27th International Quantum Electronics Conference (CLEO/QELS2009), paper CMC5, Baltimore, June 2009.
• N. Yamamoto, R. Katouf, K. Akahane, T. Kawanishi, H. Sotobayashi, "1-μm Waveband, 10Gbps Transmission with a Wavelength Tunable Single-Mode Selected Quantum-Dot Optical Frequency Comb Laser," The Optical Fiber Communication Conference (OFC2009), paper OWJ4, San Diego, March 2009.
• R. Katouf, N. Yamamoto, K. Akahane, T. Kawanishi, and H. Sotobayashi, "1-μm band transmission by use of a wavelength tunable quantum-dot laser over a hole-assisted fiber," SPIE Photonics West, 7234-14, San Jose, January 2009.
• I. Morohashi, T. Sakamoto, H. Sotobayashi, T. Kawanishi, and I. Hosako, "Cavity-free ultrashort pulse source using Mach-Zehnder-modulator-based flat comb generator," the 2nd Japan-Korea Joint Workshop on THz Technology, Tokyo, October 2008.
• I. Morohashi, T. Sakamoto, T. Kawanishi, I. Hosako, M. Tsuchiya, and H. Sotobayashi, "Wideband repetition rate tunability of ultrashort pulse generation using MZ-modulator-based flat comb generator and DF-DDF," the IEEE International Microwave Photonics conference (MWP 2008), paper Fri1-4, Gold Coast, September, 2008.
• N. Yamamoto, H. Sotobayashi, K. Akahane and M. Tsuchiya, "Quantum-Dot Fabry-Perot Laser-Diode with a 4-THz Injection-Seeding Bandwidth for 1-μm Optical-Waveband WDM Systems," the IEEE 22nd International Semiconductor Laser Conference (ISLC2008), P20, Sorrento, September 2008.
• I. Morohashi, T. Sakamoto, H. Sotobayashi, T. Kawanishi, I. Hosako, M. Tsuchiya, "Wavelength-tunable ultrashort optical pulse generation using Mach-Zehnder-modulator-based flat comb generator," the 34th European Conference on Optical Communication (ECOC 2008), paper P.2.16, Brussels, September, 2008.
• N. Yamamoto, K. Akahane, H. Sotobayashi, and M. Tsuchiya, "O-band InAs quantum dot (QD) laser diode with Sb-molecule sprayed dot-in-well (DWELL) structures fabricated on GaAs substrates," Joint Conference of the Opto-Electronics and Communications Conference (OECC 2008) and the Australian Conference on Optical Fibre Technology (ACOFT 2008), TuH-3, Sydney, July 2008.
• K. Akahane, N. Yamamoto, H. Sotobayashi, M. Tsuchiya, "1.7 um laser emission at room temperature using highly-stacked InAs quantum dots," The 2008 IEEE 20th Conference on Indium Phosphide and Related Materials (IPRM 2008), paper TuA2.2, Versailles, May 2008.
• R. Katouf, A. Kanno, N. Yamamoto, N. Sekine, T. K. Liang, K. Sasagawa, K. Akahane, T. Isu, H. Sotobayashi, and M. Tsuchiya, "15 dB cross loss modulation by cw pump injection of mW-class in 1.5-mm long nano-wire waveguide," Conference on Lasers and Electro-Optics Quantum Electronics and Laser Science Conference (CLEO/QELS 2008), CThT6, San Jose, May 2008.
• G. Qin, H. Sotobayashi, M. Tsuchiya, A. Mori, T. Suzuki, Y. Ohishi, "Highly Efficient Brillouin Slow Light Generation Using a Single Mode Tellurite Fiber," Conference on Lasers and Electro-Optics Quantum Electronics and Laser Science Conference (CLEO/QELS 2008), CTuB6, San Jose, May 2008.
• N. Yamamoto, H. Sotobayashi, K. Akahane, M. Tsuchiya, K. Takashima, H. Yokoyama, "1-μm Waveband 10-Gbit/s Transmission over a 7-km Single-Mode Hole Assisted Fiber Using a Harmonically Mode-Locked Semiconductor Laser," Conference on Lasers and Electro-Optics Quantum Electronics and Laser Science Conference (CLEO/QELS 2008), CTuLL4, San Jose, May 2008.
• I. Morohashi, T. Sakamoto, H. Sotobayshi, I. Hosako, T. Kawanishi, and M. Tsuchiya, "10 GHz 200 fs pulse generation from Mach-Zehnder-modulator- based optical frequency comb generator," the 2008 Optical Fiber Communication Conference (OFC2008), San Diego, USA, 28 Feb., 2008.
• G. Qin, Y. Ohishi, H. Sotobayashi, M. Tsuchiya, A. Mori, "Stimulated Brillouin amplification in a tellurite fiber as a potential system for slow light generation," European Conference and Exhibition on Optical Communication (ECOC2007), paper 2.4.4, Berlin, September 2007.
• K. Akahane, N. Yamamoto, S. Gozu, A. Ueta, H. Sotobayashi, and M. Tsuchiya, "High bandwidth semiconductor gain material for photonic active devices with a stacked quantum dots structure grown by strain-compensation technique," the 12th Optoelectronics and Communications Conference (OECC 2007), Yokohama, July 2007.
• H. Sotobayashi, "Ultrawideband 40GHz optical comb generation and its distribution through WDM optical fiber networks," European Frequency and Time Forum (EFTF2007), paper C1LB2, May 2007.
• P.T. Rakich, H. Sotobayashi, J.T. Gopinath, J. W. Sickler, C. W. Wong, M. Qi, S. G. Johnson, E. Lidorikis, J. D. Joannopoulos, H. I. Smith ,and E. P. Ippen, "Broadband Optical Studies of Nano-Scale 1-D and 3-D Photonic Crystals,”2006 Asia-Pacific Microwave Photonics Conference (AP-MWP2006), paper J1, Kobe, April 2006.
• H. Sotobayashi, "Supercontinuum generation based lightwave management applied to multiplexing format conversion," SPIE Photonics Europe, paper 6187-21, Strasbourg, April 2006.
• K. Kitayama, X. Wang, H. Sotobayashi, "Gigabit-symmetric FTTH -OCDMA over WDM PON-," 9th Conference on Optical Network Design and Modelling(ONDM 2005), no. 8.3., pp. 273-281, Milan, February 2005.
• P. T. Rakich, J. T. Gopinath, H. Sotobayashi, C. W. Wong, S. G. Johnson, J. D. Joannopoulos, and E. P. Ippen, "Broadband Supercontinuum based Measurements of High-Index Contrast Photonic Bandgap Devices from 1 to 2 μm," IEEE LEOS annual meeting 2004, paper ThI3, Puerto Rico, November 2004.
• J. T. Gopinath, H. M. Shen, H. Sotobayashi and E. P. Ippen, "Novel Highly Nonlinear Bismuth Oxide Fiber for Supercontinuum Generation," IEEE LEOS annual meeting 2004, paper WD2, Puerto Rico, November 2004.
• J. W. Sickler, J. T. Gopinath, S. N. Tandon, H. Sotobayashi, G. S. Petrich, L. A. Kolodziejski, and E. P. Ippen, "Femtosecond laser using broadband erbium-doped bismuth oxide gain fiber," Conference on Lasers and Electro-Optics Quantum Electronics and Laser Science Conference (CLEO/QELS 2004), CThK6, San Francisco, May 2004.
• Y. Awaji, H. Sotobayashi, and F. Kubota, "4 x 160 Gbit/s WDM transmission by a cascade of semiconductor LOAs," Conference on Lasers and Electro-Optics Quantum Electronics and Laser Science Conference (CLEO/QELS 2004), CThQ2, San Francisco, May 2004.
• H. Sotobayashi, J.T. Gopinath, Y. Takushima, E.P. Ippen, and K. Hsu, "90 nm wavelength tunable single frequency Bi₂O₃-based Erbium-doped fiber lasers," IEEE LEOS annual meeting 2003, paper ThD3, Tucson, October 2003.
• Y. Awaji, H. Sotobayashi, and F. Kubota, "80 Gbit/s x 6WDM Transmission Experiment over 100 km by using Cascaded LOAs as Repeaters," IEEE LEOS annual meeting 2003, paper WY4, Tucson, October 2003.
• H. Sotobayashi, J.T. Gopinath, E.M. Koontz, L.A. Kolodziejski, and E.P. Ippen, "Passively mode-locked Bi₂O₃-based Erbium-doped fiber laser with a 30 nm wavelength tunability in the L-band," the 29th European Conference on Optical Communication (ECOC 2003), We2.6.2., Rimini, September 2003.
• H. Sotobayashi, W. Chujo, and T. Ozeki, "Ultrafast Hierarchical Hybrid OTDM/WDM Network," The 7th World Multiconference on Systemics, Cybernetics and Informatics (SCI2003), vol. X, pp. 72-75, Orlando, July 2003.
• J. Gopinath, H. Sotobayashi, and E. Ippen, "Picosecond pulse amplification over a bandwidth of 80 nm in a 23 cm length of Bi₂O₃-based Erbium-doped fiber," OSA Optical Amplifiers and Their Applications (OAA 2003), paper MD23, Otaru, July 2003.
• H. Sotobayashi, "Novel ASE Noise Reduction by using Optical Time-gating Technique in Optically Preamplified Direct-detection Systems," Wireless and Optical Communications (WOC 2003), paper 383-155, Banff, July 2003.
• Y. Awaji, J. Inoue, H. Sotobayashi, F. Kubota, and T. Ozeki, "Nonlinear inter-channel cross talk of linear optical amplifier (LOA) in DWDM applications," Optical Fiber Communication Conference (OFC 2003), ThC4, Atlanta, March 2003.
• H. Sotobayashi, "Ultra-broadband photonic networks based on optical code division multiplexing," IASTED International Conference Communications, Internet and Information Technology (CIIT 2002), 376-140, St. Thomas, November 2002.
• J. Inoue, H. Sotobayashi, W. Chujo, and H. Kawaguchi, "An 80 Gbit/s RZ and carrier-suppressed-RZ signal transmission over 200-km standard single-mode fiber by using mid-span optical phase conjugation based on four-wave mixing in semiconductor optical amplifiers," IASTED International Conference on Communications and Computer Networks (CCN 2002), 381-069, Cambridge, November 2002.
• H. Sotobayashi, W. Chujo, and K. Kitayama, "Photonic gateways: 40 Gbit/s bi-lateral multiplexing format conversions of OTDM-WDM-OTDM and OCDM-WDM-OCDM," IASTED International Conference on Communications and Computer Networks (CCN 2002), 381-059, Cambridge, November 2002.
• H. Sotobayashi, W. Chujo, and T. Ozeki, "Hierarchical hybrid OTDM/WDM network based on ultrafast photonic processing," IASTED International Conference Communication Systems and Networks (CSN 2002), 371-105, Malaga, September 2002.
• H. Toda, M. Suzuki, R. Takami, H. Sotobayashi, T. Miyazaki, T. Makino, J. Inoue, and W. Chujo, "1.5 Tbit/s (75 x 20 Gbit/s) DWDM transmission using Er3+-doped Tellurite fiber amplifiers and a single OTDM demultiplexing scheme," 28th European Conference on Optical Communication (ECOC 2002), paper 3.1.6, Copenhagen, September 2002.
• T. Miyazaki, H. Sotobayashi, and W. Chujo, "Optical sampling and demultiplexing of 80 Gb/s OTDM signals with optically recovered clock by injection mode-locked laser diode," 28th European Conference on Optical Communication (ECOC 2002), paper 2.1.6, Copenhagen, September 2002.
• T. Makino, H. Sotobayashi, and W. Chujo, "1.5Tbit/s (75 x 20 Gbit/s) DWDM transmission with a 63nm continuous bandwidth ssingEr-doped Tellurite fiber amplifiers," 7th OptoElectronics and Communications Conference (OECC2002), 10B3-4, Yokohama, July 2002.
• J. Inoue, H. Sotobayashi, W. Chujo, and H. Kawaguchi, "80-Gbit/s carrier-suppressed RZ signal transmission over 208-km standard fiber using an optical phase conjugation," 7th OptoElectronics and Communications Conference (OECC2002), 9B1-3, Yokohama, July 2002.
• J. Inoue, H. Sotobayashi, and W. Chujo, "Picosecond 80-Gbit/s OTDM signal transmission over 208-km standard fiber using midspan optical phase conjugation," Conference on Lasers and Electro-Optics Quantum Electronics and Laser Science Conference (CLEO/QELS 2002), CThN3, pp. 496, Long Beach, May 2002.
• H. Sotobayashi, W. Chujo, and K. Kitayama, "Photonic gateway for bi-directional OCDM - WDM conversions at 40 Gbit/s (4 x 10 Gbit/s)," Optical Fiber Communication Conference (OFC 2002), ThEE2, Anaheim, March 2002.
• H. Sotobayashi, W. Chujo, and T. Ozeki, "Inter-wavelength-band conversions and demultiplexings of 640 Gbit/s OTDM signals," Optical Fiber Communication Conference (OFC 2002), WM2, Anaheim, March 2002.
• H. Sotobayashi, W. Chujo, and K. Kitayama, "1.6 bit/s/Hz, 6.4 Tbit/s OCDM/WDM (4OCDMx 40WDMx 40Gbit/s) transmission experiment," 27th European Conference on Optical Communication (ECOC 2001), PD.M.1.3, vol. 6, pp. 6-7, Amsterdam, October 2001.
• H. Sotobayashi, M. Masuda, K. Yamada, T. Kudou, W. Chujo, and T. Ozeki, "Suppression of PMD induced pulse broadening by using nonlinear evolution of polarization mode-coupling," 27th European Conference on Optical Communication (ECOC 2001), We.A.3.4, vol. 3, pp. 350-351, Amsterdam, October 2001.
• H. Sotobayashi, A. Konishi, W. Chujo, and T. Ozeki, "Simultaneously generated 3.24 Tbit/s (81 WDM x 40 Gbit/s) carrier suppressed RZ transmission using a single supercontinuum source," 27th European Conference on Optical Communication (ECOC 2001), Mo.F.3.3, vol. 1, pp. 56-57, Amsterdam, October 2001.
• H. Sotobayashi, C. Sawaguchi, Y. Koyamada, and W. Chujo, "Walk-off free ultrafast nonlinear optical loop mirror composed of a highly-nonlinear dispersion-shifted fiber for demultiplexing 320 Gbit/s TDM signals," Optical Amplifiers and their Applications (OAA 2001), OTuA6, pp. OtuA6-1-OTuA6-3, Stresa, July 2001.
• K. Yamada, M. Masuda,T. Kudou, T. Ozeki, H. Sotobayashi, and W. Chujo, "Broadband simultaneous adaptive PMD equalization in 9 x 40 Gbit/s WDM transport networks," Optoelectronics and Communications Conference (OECC/IOOC 2001), PO.1.13, pp. 367-368, Sydney, July 2001.
• H. Sotobayashi, W. Chujo, and K. Kitayama, "1.52 Tbit/s OCDM/WDM (4 OCDM x 19 WDM x 20 Gbit/s) transmission experiment based on simultaneous optical encoding of a single supercontinuum source," 6 th European Conference on Networks & Optical Communications (NOC2001), pp. 442-447, Ipswich, July 2001.
• J. Inoue, H. Sotobayashi, and W. Chujo, "160 Gbit/s, 600 fs signal generation by chirping compensation of directly pumped supercontinuum source," The 8th International Workshop on Femtosecond Technology (FST2001), FC-5, p. 155, Tsukuba, June 2001.
• H. Sotobayashi, W. Chujo, and T. Ozeki, "Wideband and tunable wavelength conversion of 10 Gbit/s RZ data sequences based on optical time-gating of supercontinuum source," Conference on Lasers and Electro-Optics Quantum Electronics and Laser Science Conference (CLEO/QELS 2001), CThB5 pp. 385-386, Baltimore, May 2001.
• H. Sotobayashi, and W. Chujo, "Novel all-optical demultiplexing technique by OTDM-to-WDM conversion at 80 Gbit/s based on four-wave mixing with supercontinuum source," Nonlinear Guided Waves and Their Applications (NLGW 2001), MB3, pp. 26-28, Clearwater, March 2001.
• H. Sotobayashi, W. Chujo, and T. Ozeki, "Bi-directional photonic conversion between 4x10 Gbit/s OTDM and WDM by optical time-gating wavelength interchange," Optical Fiber Communication Conference (OFC 2001), WM5, pp. WM5-1-WM5-3, Anaheim, March 2001.
• H. Sotobayashi, W. Chujo, and K. Kitayama, "Demonstration of ultra-wideband and transparent virtual optical code/wavelength path network," Optical Fiber Communication Conference (OFC 2001), TuV4, pp. TuV4-1-TuV4-3, Anaheim, March 2001.
• K. Kitayama, H. Sotobayashi,T. Hashimoto and W. Chujo, "Photonic gateway for TDM - WDM - TDM: 40 Gbit/s (4 x 10 Gbit/s) conversion and reconversion," 26th European Conference on Optical Communication (ECOC 2000), paper 9.4.3, pp. 301-302, vol. 3, Munich, September 2000.
• H. Sotobayashi, K. Kitayama.and W. Chujo, "Photonic compression and decompression of 40 Gbit/s packet by supercontinuum generation, " 11th Optical Amplifiers and their Applications (OAA 2000), OtuC, pp. 133-135, Quebec, July 2000.
• H. Sotobayashi, W. Chujo and K. Kitayama, "3 x 10 Gbit/s OCDM transmission at 1550 nm band over 150 km standard fiber using midspan optical phase conjugation, " Fifth Optoelectronics and Communications Conference (OECC2000), 14A2-4, pp. 456-457, Chiba, July 2000.
• H. Sotobayashi and K. Kitayama, "All-optical code conversion of 10 Gb/s BPSK codes without wavelength-shift by cross-phase modulation for optical code division multiplexing networks ," Optical Fiber Communication Conference (OFC 2000), WJ7, pp. 163-165, Baltimore, March 2000.
• H. Sotobayashi and K. Kitayama, "All-optical simultaneous optical code and wavelength conversion in the OCDM/WDM network nodes by FWM in an optical fiber," International Topical Workshop on Contemporary Photonic Technologies (CPT2000), Tc-21, pp. 113-114, Tokyo, January 2000.
• N. Wada, and H. Sotobayashi, "Optical code division multiplexing (OCDM) and its application to photonic networks," Photonic Network Forum (PNF'99), B1, pp. B1-1-B1-4, Tokyo, October 1999.
• N. Wada, H. Sotobayashi, and K. Kitayama, "Error-free transmission of 2-channel x 2.5 Gbit/s time-spread / wavelength-hop OCDM using fiber bragg grating with supercontinuum light source," European Conference on Optical Communication (ECOC '99), Th C1.1, Nice, September 1999.
• H. Sotobayashi and K. Kitayama, "10 Gb/s OCDM/WDM multiple access using spectrum-sliced supercontinuum BPSK pulse code sequences," Optical Amplifiers and their Applications (OAA '99), PD7, pp. Pdp7-1-Pdp7-3, Nara, June 1999.
• H. Sotobayashi and K. Kitayama, "All-optical code and wavelength conversion of 10 Gb/s BPSK codes by four-wave mixing in semiconductor optical amplifier for optical code division multiplexing," Optical Amplifiers and their Applications (OAA '99), FA3, pp. 238-240, Nara, June 1999.
• H. Sotobayashi and K. Kitayama, "1.24 Gb/s, 40 km optical code division multiplexing transmission by using spectral bipolar coding of broadband incoherent light," Optical Fiber Communication Conference (OFC '99), WE7, pp. 92-94, San Diego, February 1999.
• K. Kitayama and H. Sotobayashi, "Fading-free fiber-optic transport of 60 GHz-optical DSB signal by using in-line phase conjugator," Optical Fiber Communication Conference (OFC '99), WD4, pp. 64-66, San Diego, February 1999.
• K. Kitayama and H. Sotobayashi, "Optical code-wavelength conversion for hybrid OCDM/WDM networks," 24th European Conference on Optical Communication (ECOC '98), TuD11, pp. 339-340, Madrid, September 1998.
• H. Sotobayashi and K. Kitayama, "Simplified approach to supercontinuum generation at 10 Gbit/s using dispersion-flattened uniform normal dispersion fiber along with pulse compression technique, " Third Optoelectronics and Communications Conference (OECC '98), 15A3-5, pp. 332-333, Chiba, July 1998.
• H. Sotobayashi, I. Andonovic, N. Wada, and K. Kitayama, "Coherent en/decoding of 20-chip long hybrid BPSK and frequency varying code using time-stretched SC laser pulses for giga-bit optical code division multiplexing, " Third Optoelectronics and Communications Conference (OECC '98), 14P-13, pp. 212-213, Chiba, July 1998.

国内会議

• 吉田尚也, 山本直克, 赤羽浩一, 梅沢俊匡, 松本敦, 外林秀之, "斜め導波路構造を用いたTバンド量子ドット半導体光増幅器の増幅特性評価," 電子情報通信学会ソサイエティ大会, C-4-13, 札幌, September 2016.
• 乾勝貴, 赤羽浩一, 管野敦史, 山本直克, 川西哲也, 外林秀之, "複屈折エタロンフィルタによる2波長レーザの周波数間隔変化," 電子情報通信学会光エレクトロニクス研究会, OPE2016-13, 東京, June 2016.
• 乾勝貴, 赤羽浩一, 山本直克, 菅野敦史, 川西哲也, 外林秀之, "方解石エタロンフィルタによる2波長レーザの周波数間隔変化," 応用物理学会学術講演会, paper 20p-S321-7, 東京, March 2016.
• 大塲仁成, 菅野敦史, 山本直克, 外林秀之, "光周波数同期技術および光周波数コム技術を用いた周波数安定化ミリ波信号生成," 電子情報通信学会光エレクトロニクス研究会, OPE2015-180, 神戸, January 2016.
• 鈴木明作, 菅野敦士, 山本直克, 外林秀之, "10 Gbaud QPSK RoF伝送時における直接周波数下方変換方式W帯IQミキサのIQ不均衡の影響評価", 電子情報通信学会光エレクトロニクス研究会, OPE2015-179, 神戸, January 2016.
• 吉田尚也, 山本直克, 赤羽浩一, 梅沢俊匡, 松本敦, 外林秀之, "Tバンド量子ドット半導体光増幅器の増幅特性評価," 電子情報通信学会ソサイエティ大会, C-4-3, 仙台, September 2015.
• 八木史也, 村野晃大, 山本直克, 菅野敦史, 川西哲也, 外林秀之, "O-, C-bandを用いた10 Gbaud QPSK のホーリーファイバ10 km同時伝送評価," 電子情報通信学会総合大会, B-10-67, 滋賀, March 2015.
• 赤羽浩一, 山本直克, 川西哲也, 田中健浩, 中村新一, 外林秀之, "InP(311)B基板上におけるデジタル埋め込みInAs量子ドットの時間分解PL測定," 応用物理学会学術講演会, 神奈川, March 2015.
• 梅田俊一, 赤羽浩一, 外林秀之, "ZnOへのカーボンナノチューブ埋め込み構造の作製," 電子情報通信学会光エレクトロニクス研究会, OPE2014-152, 東京, January 2015.
• 松本稜, 大塲仁成, 菅野敦史, 川西哲也, 外林秀之, "光周波数同期技術および光周波数コム技術を用いたミリ波信号生成の数値検討," 電子情報通信学会マイクロ波フォトニクス研究会, MWP2014-47, 仙台, November 2014.
• 八木史也, 村野晃大, 菅野敦史, 山本直克, 赤羽浩一, 川西哲也, 外林秀之, " 1.3 μm 帯20 Gbit/s QPSK信号のホーリーファイバ10 km伝送評価, 電子情報通信学会ソサイエティ大会, B-10-43, 徳島, September 2014.
• 吉田尚也，外林秀之，松田大輝，渡辺泰司，赤羽浩一，山本直克，菅野敦史，川西哲也, "歪補償多重積層InAs量子ドットを用いた1.55μm帯半導体光増幅器 による高速光信号増幅," 応用物理学会学術講演会, 18a-C6-1, 札幌, September 2014.
• 丸山慎也, 冨重一成, 外林秀之, 菅野敦史, 川西哲也, "電気-光ハイブリット等化信号技術の偏波多重信号への適応解析," 電子情報通信学会総合大会、B-10-24、2014年3月.
• 八木史也, 斎藤圭, 菅野敦史, 山本直克, 赤羽浩一, 川西哲也, 外林秀之, "DD-MZMを利用した1.0-μm 帯QPSKホモダイン伝送の解析," 電子情報通信学会総合大会、B-10-25、2014年3月.
• 倉田泰成, 冨重一成, 菅野敦史, 山本直克, 赤羽浩一, 川西哲也, 外林秀之, "量子ドットレーザを用いた1.3μm-帯QPSK信号のホモダイン検波特性," 電子情報通信学会総合大会、B-10-26、2014年3月.
• 山本直克, 赤羽浩一, 菅野敦史, 梅沢俊匡, 川西哲也, 外林秀之, 高井裕司, "新規光周波数帯域T+Oバンドの光ネットワーク実現に向けた半導体量子ドットデバイス," 電子情報通信学会レーザ・量子エレクトロニクス研究会, LQE2013-180, 京都, January 2014.
• 冨重一成, 外林秀之, 菅野敦史, 川西哲也, "高速信号に対する光・電気ハイブリッド信号等化技術の検討," 電子情報通信学ソサエティ大会, B-13-6, 福岡, September 2013.
• 梅田俊一，赤羽浩一，外林秀之, "レーザ照射援用アルコールCVD法によるSi基板上のCNT成長," 応用物理学会秋季学術講演会, 16p-B3-6, 京都, September 2013.
• 松本稜, 西竜司, 諸橋功, 山本直克, 坂本高秀, 菅野敦史, 川西哲也, 関根徳彦, 寳迫巌, 外林秀之, "マッハツェンダ変調器を用いた12.5GHz繰り返し1μm帯ピコ秒パルス列の生成とその応用," 電子情報通信学会光ファイバ応用技術研究会, 信学技報 Vol.113, No.55, 2013-05-16.
• 八木史也, 倉田泰成, 山本直克, 赤羽浩一, 菅野敦, 川西哲也, 吉岡佑毅, 高井祐司, 外林秀之, "T-,O-band 波長帯多重信号のホーリーファイバ光伝送の評価," 電子情報通信学会総合大会, B-13-6, 岐阜, March 2013.
• 羽曽部汐里, 山中竜太, 菅野敦史, 川西哲也, 外林秀之, "25 GHz帯光ファイバ無線の光・電気信号直接相互変換," 電子情報通信学会総合大会, C-14-15, 岐阜, March 2013.
• 山中竜太, 神一樹, 外林秀之, 菅野敦史, 川西哲也, "光位相同期を用いた周波数安定化ミリ波光2 トーン信号生成" 電子情報通信学会総合大会, C-14-16, 岐阜, March 2013.
• 西竜司，松本稜，諸橋功，山本直克，坂本高秀，菅野敦史，川西哲也，関根徳彦，寳迫巌，外林秀之, "光変調器を用いた12.5GHz繰り返し1μm帯ピコ秒パルス列の生成," 応用物理学会春期学術講演会, 28a-B3-2, 神奈川, March 2013.
• 赤羽浩一, 山本直克, 川西哲也, 外林秀之, 吉岡佑毅, 高井裕司, "半導体量子ドットを用いた広帯域波長可変光源," レーザ学会学術講演会第33回年次大会, January 2013.
• 山中竜太、藤田陽、羽曽部汐里、菅野敦史、川西哲也、外林秀之, "偏波多重4値位相変調器を用いた光技術による25-GHz帯RoF信号生成," 電子情報通信学会マイクロ波・ミリ波フォトニクス研究会, November 2012.
• 冨重一成、外林秀之、菅野敦史、川西哲也, "光等化器を用いる107Gb/s NRZ-DBPSK信号発生の解析," 電子情報通信学会ソサイエティ大会, B-10-44, 富山, September 2012.
• 山中竜太、田島尚幸、外林秀之、菅野敦史、川西哲也, "高速・広帯域周波数チャープ信号を用いたU-band FM-CWレーダーの原理検証," 電子情報通信学会ソサイエティ大会, C-14-5, 富山, September 2012.
• 山本直克、赤羽浩一、川西哲也、外林秀之、吉岡佑毅、高井裕司, "量子ドット技術による広帯域波長可変光源," 電子情報通信学会ソサイエティ大会, C-4-25, 富山, September 2012.
• 吉岡佑毅、山本直克、赤羽浩一、川西哲也、高井裕司、外林秀之, "InAs/InGaAs量子ドット構造を用いた広帯域光ゲインデバイスの開発," 電子情報通信学会 LQE研究会, C-4-25, August 2012.
• 倉田泰成, 小見川祐, 五十子拓哉, 外林秀之, 山本直克, 赤羽浩一, 川西哲也, 吉岡佑穀, 高井祐司, "量子ドットレーザとホーリーファイバによるO-band光伝送システムの評価," 電子情報通信学会光ファイバ応用技術研究会, 高山, May 2012.
• 小見川祐、山本直克、菅野敦史、川西哲也、倉田泰成外、外林秀之, "新波長帯域T-bandにおける波長多重ホーリーファイバ光伝送の評価," 電子情報通信学会総合大会, B-13-22, 岡山, March 2012.
• 倉田泰成、小見川祐、外林秀之、山本直克、赤羽浩一、川西哲也、吉岡佑穀、高井祐司, "ホーリーファイバ伝送システムによるO-band光周波数資源の評価," 電子情報通信学会総合大会, B-13-25, 岡山, March 2012.
• 冨重一成、外林秀之、菅野敦史、川西哲也, "既存デバイスを用いる100 Gb/s NRZ- DBPSK 信号発生の解析," 電子情報通信学会総合大会, C-14-5, 岡山, March 2012.
• 小見川祐, 山本直克, 菅野敦史, 川西哲也, 倉田泰成, 外林秀之, "新波長帯域T-バンドと従来波長帯域C-バンド同時の4×10-Gbps偏波多重ホーリーファイバ光伝送," 電子情報通信学会光ファイバ応用技術研究会, 信学技報 Vol.111, No.381, 2012-01-12.
• 赤羽浩一，山本直克，前田信，高井裕司，中村新一，山口博，外林秀之, "レーザ照射援用アルコールCVDによるSiO2基板上へのCNT成長," 応用物理学会学術講演会, 1a-ZF-11, 山形, September 2011.
• 西竜司、諸橋功、山本直克、坂本高秀、菅野敦史、川西哲也、関根徳彦、寳迫巌、外林秀之, "光変調器を用いた1μm帯ピコ秒パルス生成," 電子情報通信学会ソサイエティ大会, C-3-2, 札幌, September 2011.
• 諸橋功，坂本高秀，外林秀之，川西哲也，寶迫巌, "マッハツェンダ変調器ベース光コム発生器およびソリトン圧縮による100fs級パルス発生," 応用物理学会学術講演会, 30a-P3-1, 山形, August 2011.
• 小見川祐、木下雄太、山本直克、菅野敦史、赤羽浩一、川西哲也、外林秀之、"新光周波数帯域T-バンドにおける偏波多重2×10-Gbps光信号のホーリーファイバ伝送," 電子情報通信学会光通信システム研究会, OCS2011-32, pp.35-38, 大阪, July 2011.
• 西竜司、諸橋功、山本直克、坂本高秀、菅野敦史、川西哲也、関根徳彦、寳迫巌、外林秀之, "マッハツェンダ型光コム発生器を用いたTバンドピコ秒パルス生成," 電子情報通信学会マイクロ波研究会, MW2011-67, pp.163-166, 北見, July 2011.
• 山本直克，赤羽浩一，川西哲也，山本直樹，外林秀之, "光スペクトル整形技術を用いた小型光共振器・波長可変中赤外3-μm帯光源の開発," 応用物理学関係連合講演会, 26a-KG-6, 神奈川, March 2011.
• 浜崎淳一，関根徳彦，諸橋功，外林秀之，寶迫巌, "THz波発生のためのYbドープファイバーレーザー発振特性," 応用物理学関係連合講演会, 24a-KF-3, 神奈川, March 2011.
• 赤羽浩一，山本直克，前田信，高井裕司，外林秀之，中村新一，山口博, "レーザ照射援用アルコールCVDによるカーボンナノチューブの合成," 応用物理学関係連合講演会, 26a-BM-11, 神奈川, March 2011.
• 山本和幸,外林秀之, 水野麻弥, 福永香, マルチェッロピコッロ, 寶迫巌,"テラヘルツスペクトルによる混合顔料の同定方法の検討," 電気学会全国大会, 1-147, 大阪, March 2011.
• 木下雄太, 小見川祐, 山本直克, 管野敦史, 赤羽浩一, 川西哲也, 外林秀之, "波長1μm帯における偏波多重2×10Gbps光伝送," 電子情報通信学会総合大会, B-10-60, 東京, March 2011.
• 山中竜太, 菅野敦史, 川西哲也, 外林秀之, "二電極型Mach-Zehnder LN変調器を用いた周波数4逓倍技術による高速・広帯域周波数チャープ信号の生成," 電子情報通信学会総合大会, C-14-12, 東京, March 2011.
• 山本直克, 赤羽浩一, 川西哲也, 外林秀之, "光周波数資源拡大を目指した量子ドット光ゲインICTデバイスの開発," 電子情報通信学会光エレクトロニクス研究会, 東京, December 2010.
• 諸橋功, 坂本高秀, 外林秀之, 川西哲也, 寳迫巌, "超平坦光コム発生器を用いたミリ波帯ビート信号の生成," 電子情報通信学会電子デバイス研究会, 宮城, December 2010.
• 岩間隼, 武岡正裕, 外林秀之, 佐々木雅英, "多値位相変調光信号に対する準最適な量子受信機の設計," 第23回量子情報技術研究会(QIT23), ポスター#9, Tokyo, November 2010.
• 小見川祐, 木下雄太, 山本和幸, 山本直克, 菅野敦史, 赤羽浩一, 川西哲也, 外林秀之, "超広帯域ホーリーファイバ光伝送システムによる新光周波数帯域T-バンド開拓とその伝送品質評価," 電子情報通信学会光ファイバ応用技術研究会, 埼玉, October 2010.
• 岩間隼，武岡正裕，外林秀之，佐々木雅英, "多値位相変調光信号に対する量子受信機の提案," 応用物理学関係連合講演会, 14p-E-16, 長崎, September 2010.
• 山本直樹，山本直克，赤羽浩一，川西哲也，外林秀之, "光共振器構造を用いた中赤外3-μm帯光源の光スペクトル検討," 応用物理学関係連合講演会, 14p-D-4, 長崎, September 2010.
• 浜崎淳一，諸橋功，関根徳彦，寶迫巌，外林秀之, "THz波発生のためのYbドープファイバーレーザーパルス光源開発," 応用物理学関係連合講演会, 16a-F-11, 長崎, September 2010.
• 山本直克，赤羽浩一，川西哲也，外林秀之, "サブナノ層間分離技術による積層InAs/InGaAs量子ドット光源," 応用物理学関係連合講演会, 16p-NC-3, 長崎, September 2010.
• 小見川祐, 木下雄太, 山本和幸, 山本直克, 菅野敦史, 赤羽浩一, 川西哲也, 外林秀之, "光伝送システムにおける波長1μm帯光周波数資源の評価," 電子情報通信学会ソサエティ大会, B-13-46, 大阪, September 2010.
• 山本直克, 小見川祐, 菅野敦史, 赤羽浩一, 川西哲也, 外林秀之, "超広帯域光伝送システムによる新光周波数帯TバンドとC、Lバンドの同時伝送," 電子情報通信学会光通信システム研究会, 静岡, July 2010.
• 本田信之介, 菅野敦史, 川西哲也, 外林秀之, "MZ型LN変調器を用いたDSB-SC変調による高速チャープ信号の生成," 電子情報通信学会総合大会, C-14-2, 仙台, March 2010.
• 山本和幸, 外林秀之, 水野麻弥, 福永香, 寶迫巌, "テラヘルツスペクトルにおける日本画顔料の粒径の影響," 電子情報通信学会総合大会, C-14-15, 仙台, March 2010.
• 小見川祐, 山本直克, 赤羽浩一, 川西哲也, 外林秀之, "波長帯多重3×10Gbps光信号のホーリーファイバ伝送," 電子情報通信学会総合大会, B-13-24, 仙台, March 2010.
• 福田亮輔，内藤遼，山本直克，赤羽浩一，川西哲也，外林秀之, "光共振器構造の差周波発生による波長可変中赤外3-μm帯光源の開発," 応用物理学関係連合講演会, 17p-F-14, 平塚, March 2010.
• 山本直克，赤羽浩一，川西哲也，外林秀之, "InGaAs/GaAs量子ドットによるコム状多波長発生光源の開発," 応用物理学関係連合講演会, 19a-E-7, 平塚, March 2010.
• 諸橋功，坂本高秀，外林秀之，川西哲也，寳迫巌, "超平坦光コム発生器を用いた狭線幅ミリ波発生," 応用物理学関係連合講演会, 19a-A-3, 平塚, March 2010.
• 山本直克，赤羽浩一，川西哲也，外林秀之，藤岡裕己，高井裕司, "変調量子ドット構造によるブロードバンド光源の作製," 応用物理学関係連合講演会, 11a-S-8, 富山, September 2009.
• 諸橋　功，坂本高秀，外林秀之，川西哲也，寳迫巌, "MZM型平坦光コム発生器を用いた100GHzビート信号の生成," 応用物理学関係連合講演会, 11a-P8-47 富山, September 2009.
• 吉澤明高，梨本孟，赤羽浩一，山本直克，中村新一，外林秀之,"InAs積層量子ドットのTEM観察," 応用物理学関係連合講演会, 10p-C-4, 富山, September 2009.
• 山本直克、赤羽浩一、川西哲也、カトフレドワン、外林秀之, "波長1ミクロン帯光情報通信のための半導体量子ドット光デバイスの開発," 電子情報通信学会光エレクトロニクス研究会, 仙台, August, 2009.
• 諸橋功、坂本高秀、外林秀之、川西哲也、寳迫巌, "光コム発生器およびチャープドパルス増幅を用いた高ピークパワー超短パルス発生," 電子情報通信学会光エレクトロニクス研究会, 旭川, July, 2009.
• 諸橋功，坂本高秀，外林秀之，川西哲也，寳迫巌,"MZ型光コム発生器およびDF-DDFを用いた超広帯域光コム発生," 第56回応用物理学関係連合講演会, 2a-P15-2, 筑波, April 2009.
• 大野裕茉, 嘉納美貴子, 外林秀之, 関根徳彦, 水野麻弥, 福永香, 寳迫巌, "ポータブルテラヘルツイメージングシステム," 電気学会全国大会, 1-140, 札幌, March 2009.
• 山本直克, 泉仁人, 藤岡裕己, 赤羽浩一, 外林秀之, 高井裕司, "ドープガラスによるマイクロ原子タグの作製と評価," 電子情報通信学会光ファイバ応用技術研究会, OFT2008-90, 東京, March 2009.
• 嘉納美貴子, 大野裕茉, 外林秀之, 関根徳彦, 水野麻弥, 福永香, 寳迫巌, "ポータブルテラヘルツイメージングシステムと絵画分析への応用," 電子情報通信学会光ファイバ応用技術研究会, OFT2008-89, 東京, March 2009.
• 山本直克，赤羽浩一，外林秀之,"量子ドット光デバイス開発とオールバンドフォトニックトランスポート応用(招待講演),"電子情報通信学会超高速光エレクトロニクス研究会，東京，December 2008.
• カトフ レドワン，山本 直克，赤羽 浩一，川西 哲也，外林 秀之，"Wavelength tunable quantum-dot laser in 1-mum optical-waveband applied to 2.5-Gb/s transmission over a 1-km single-mode hole-assisted fiber，"　電子情報通信学会 光ファイバ応用技術研究会、大分、November, 2008.
• 諸橋功，坂本高秀，外林秀之，川西哲也，寳迫巌, "MZ変調器型光コム発生器を用いた高安定超短パルス光源," 応用物理学会テラヘルツ電磁波技術研究会, 広島, October 2008.
• 諸橋功，坂本高秀，外林秀之，川西哲也，寳迫巌，土屋昌弘, "MZM平坦コム発生器およびDF-DDFを用いた超短パルス光源の波長可変特性," 応用物理学会秋期大会, 3a-ZB-5, 春日井, September 2008.
• 山本直克，赤羽浩一，外林秀之，土屋昌弘,"波長1ミクロン帯InGaAs量子ドット作製とその波長可変レーザ応用," 応用物理学会秋期大会, 2p-P3-22, 春日井, September 2008.
• 諸橋功，坂本高秀，外林秀之，川西哲也，寳迫巌，土屋昌弘, "光コム発生器を用いた繰返周波数可変・高消光比超短パルス列発生," 第4回MWP・THz合同研究会, 京都, May 2008.
• Redouane Katouf, 菅野敦史, 山本直克, 外林秀之, 土屋昌弘, "Nonlinear optical response investigation of GaAs nano-wire waveguide," 電子情報通信学会総合大会, 北九州, March 2008.
• 諸橋功, 坂本高秀, 外林秀之, 川西哲也, 寳迫巌, 土屋昌弘, "光周波数コム発生器およびDF-DDFを用いた高消光比超短光パルス列発生", 応用物理学会春季大会, 船橋, March 2008.
• Redouane Katouf, 菅野敦史, 山本直克, 井須俊郎, 外林秀之, 土屋昌弘, "GaAsナノ細線光導波路の作成と評価," 応用物理学会春季大会, 船橋, March 2008.
• 山本直克、外林秀之、赤羽浩一、土屋昌弘, "新世代光アクセス系に向けた低コスト長波長VCSELの研究開発(招待講演)," 電子ジャーナル第143回テクニカルセミナー, 東京, November 2007.
• 山本直克，高井裕司，赤羽浩一，外林秀之，土屋昌弘, "塗布法を用いた希土類ドープガラスによる小型タグ作製の検討," 第68回応用物理学会学術講演会, 7p-X-9, 札幌, September 2007.
• 山本直克, 赤羽浩一, 外林秀之, 土屋昌弘, "アンチモン添加半導体量子ドットの作製とその光通信波長半導体レーザ応用," 電子情報通信学会 CPM,EMD,OPE,LQE合同研究会, 札幌, August 2007.
• 諸橋功, 坂本高秀, 外林秀之, 川西哲也, 寳迫巌, 土屋昌弘, "光コム発生器を用いたフェムト秒パルス発生," 電子情報通信学会光エレクトロニクス研究会(OPE), OPE-2007-63, 室蘭, August 2007.
• 坂本高秀, 諸橋功, 川西哲也, 外林秀之,　寶迫巌,　土屋昌弘, "ミリ波・テラヘルツ波発生のためのマハツェンダ変調器型光コム発生源", 電子情報通信学会ソサエティ大会,CS-6-4, 鳥取, September, 2007.
• 外林秀之、"超高速情報通信応用としての超広帯域光生成技術とその特性評価," 応用物理学会秋季大会, 6p-N-6, 札幌, September, 2007.
• 諸橋功, 坂本高秀, 外林秀之, 川西哲也, 寳迫巌, 土屋昌弘, "光周波数コム光源およびDF-DDFを用いた超短光パルス発生", 応用物理学会秋季大会, 6p-Y-10, 札幌, September, 2007.
• 諸橋功, 坂本高秀, 外林秀之, 川西哲也, 寳迫巌, 土屋昌弘, "Femtosecond pulse generation using optical comb generation technique," JSAP-THz研・IEICE-THz研合同研究会, July, 2007.
• 外林秀之, P. T. Rakich, J. T. Gopinath, J. W. Sickler, C. W. Wong, M. Qi, E. Lidorikis, S. G. Johnson, J. D. Joannopoulos, H. I. Smith, E. P. Ippen, "スーパーコンティニューム光を用いたナノ構造フォトニクス結晶の広帯域特性評価 (招待講演)," 電子情報通信学会光エレクトロニクス研究会、OPE2005-32, pp. 29-34, 長岡、July 2005.
• 外林秀之, Juliet T. Gopinath, Hanfei H. Shen, Erich P. Ippen, 長谷川智晴, 長嶋 達雄, 杉本直樹,"酸化ビスマス系高非線形ファイバを用いた超広帯域光生成およびフェムト秒チャープパルス圧縮," 電子情報通信学会光ファイバ応用技術研究会, no. OFT2005-6, pp.27-31, 長野、May 2005.
• 淡路祥成、外林秀之、久保田文人、"カスケードLOAによる160Gbit/s波長多重伝送実験," 電子情報通信学会光ファイバ応用技術研究会, OFT2004-103, pp.15-18, 愛媛, January 2004.
• 淡路祥成、外林秀之、久保田文人、"Linear optical amplifier (LOA)を用いた80 Gbit/s x 6WDM 100 km伝送実験," 電子情報通信学会光通信システム研究会, OCS2004-427, pp.13-16, 福岡, November 2003.
• 外林秀之,"光符号分割多重技術を用いた超高速フォトニックネットワーク," 第50回応用物理学関係連合講演会, 神奈川, March 2003.
• 井上潤、外林秀之、中條渉、河口仁司、"半導体光位相共役器を用いた80Ｇbit/s、RZキャリア抑圧RZ信号光のスタンダードシングルモードファイバ200ｋｍ伝送," 電子情報通信学会光通信システム研究会, no. OCS2002-44, pp. 39-44, 山形, September 2002.
• 佐藤奨二、中村真毅、小山田弥平、外林秀之、中條渉,"光ファイバ中のブリルアン散乱スペクトルに関する実験値と計算値の比較," 2002年電子情報通信学会ソサイエティ大会, no. B-13-9, p. 512, 宮崎, September 2002.
• 鈴木真生、高見亮、戸田裕之、外林秀之、宮崎哲弥、牧野健、井上潤、中條渉、久保田文人,"モード同期半導体レーザによる光クロック抽出回路を用いた1.5Tbps (75x20Gbps) DWDM伝送実験," 2002年電子情報通信学会ソサイエティ大会, no. B-10-87, p. 375, 宮崎, September 2002.
• 宮崎哲弥、Abedin KaziSarwar、外林秀之、久保田文人,"光クロック抽出を用いたOTDM光信号のSMZ光スイッチによる光DEMUX及び光サンプリング実験," 2002年電子情報通信学会ソサイエティ大会, no. B-10-80, p.368, 宮崎, September 2002.
• 井上潤、外林秀之、中條渉、河口仁司,"半導体光位相共役器を用いた80 Gbit/sキャリア抑圧RZ 信号の208kmスタンダードファイバ伝送," 2002年電子情報通信学会ソサイエティ大会, no. B-10-72, p.365, 宮崎, September 2002.
• 淡路祥成、井上潤、外林秀之、久保田文人、小関健,"Linear Optical Amplifierにおける8ch*10Gb/s:WDM信号増幅時のFWMクロストークの特性評価," 電子情報通信学会光通信システム研究会, no. OCS2002-50, pp. 75-78, 北海道, August 2002.
• 外林秀之、中條渉、北山研一、"フォトニックゲートウェイ ： 40 Gbit/s OCDM-WDM 多重化方式双方向変換，" 電子情報通信学会光ファイバ応用技術研究会, OFT2001-108, pp. 25-30, 東京, March 2002.
• 外林秀之、中條渉、小関健、"640 Gbit/s 光時分割多重信号の波長バンド変換，" 電子情報通信学会光ファイバ応用技術研究会, OFT2001-106, pp. 13-18, 東京, March 2002.
• 外林秀之、増田勝、山田圭一、工藤輝彦、中條渉、小関健、"非線形光学効果を用いた偏波モード分散抑圧，" 電子情報通信学会光ファイバ応用技術研究会, OFT2001-57, pp. 19-24, 高松, November 2001.
• 小西章夫、外林秀之、中條渉、小関健、"Supercontinuum光源による多波長キャリア抑圧RZ信号生成,"　電子情報通信学会光光通信システム研究会, OCS2001-69, pp. 25-29, 山梨, October 2001.
• 澤口力、外林秀之、中條渉、小山田弥平、"簡易構成ウォークオフフリー超高速非線形光ループミラーによる320Gbit/s光TDM信号の多重分離," 電子情報通信学会光ファイバ応用技術研究会, OFT2001-50, pp. 49-54, 室蘭, October 2001.
• 山田圭一、増田勝、工藤輝彦、小関健、外林秀之、中條渉、"9x40 Gbit/s WDM伝送におけるPMD一括等化器," 2001年電子情報通信学会ソサイエティ大会, vol.2, no.B-10-87, p.425, 東京, September 2001.
• 小西章夫、外林秀之、中條渉、小関健、"Supercontinuum光源による3.24Tbit/sキャリア抑圧RZ信号伝送,"2001年電子情報通信学会ソサイエティ大会, vol.2, no.B-10-86, p.424, 東京, September 2001.
• 小山田弥平、益子大、佐藤奨ニ、外林秀之、中條渉、"新しい低ブリルアン散乱ファイバ," 2001年電子情報通信学会ソサイエティ大会, vol.2, no.B-13-12, p.497, 東京, September 2001.
• 澤口力、外林秀之、中條渉、小山田弥平、"短尺高非線形光ファイバで構成した非線形ループミラーによる320Gbit/s光TDM信号分離実験," 2001年電子情報通信学会ソサイエティ大会, vol.2, no.B-13-10, p.495, 東京, September 2001.
• 外林秀之、中條渉、小関健、"Supercontinuum光との四光波混合による80Gbit/s光TDM信号同時DEMUX," 2001年電子情報通信学会ソサイエティ大会, vol.2, no.B-13-9, p.494, 東京, September 2001.
• 外林秀之、増田勝、山田圭一、工藤輝彦、中條渉、小関健、"光ファイバの非線形光学効果を用いた偏波モード結合低減と長距離伝送への応用，" 第62回応用物理学会学術講演会, no. 3, p. 921, 愛知, September 2001.
• 外林秀之、"超高速光信号処理のフォトニックネットワークへの応用," 弟９５回光コンピューティング研究会, pp. 31-38, 浜名, Autumn 2001.
• 外林秀之、中條渉、北山研一、"テラビットOCDM/WDM伝送実験," 電子情報通信学会光通信システム研究会, OCS2001-53, pp. 49-54, 山形, July 2001.
• 外林秀之、中條渉、小関健、"光時間ゲート波長交換による40 Gbit/s OTDM-WDM 双方向多重方式変換," 電子情報通信学会光スイッチング研究会, PS2001-04, pp. 27-32, 東京, April 2001.
• 外林秀之、中條渉、北山研一、"バーチャル光符号／波長パスフォトニックトランスポートネットワーク," 電子情報通信学会光通信システム研究会, OCS2001-04, pp. 17-22, 東京, April 2001.
• 斧原聖史、外林秀之, 中條渉, 北山研一, "10 Gbit/s 時間スロットおよび波長交換機能を備えたフォトニックパケットスイッチ," 電子情報通信学会総合大会, B-12-6, 草津, March 2001.
• 外林秀之、中條渉、小関健、"Supercontinuum光の時間ゲートによる10 Gbit/s RZパルス波長可変光源," 電子情報通信学会光ファイバ応用技術研究会, OFT2000-58, pp. 1-6, 京都, November 2000.
• 外林秀之、北山研一、中條渉、"Supercontinuum光生成による40 Gbit/s フォトニックパケット圧縮・伸張," 電子情報通信学会第４回フォトニックネットワークをベースとした次世代インターネット技術研究会, PIN2000-28, pp.69-74, 大阪, October 2000.
• 外林秀之、北山研一、"時間ゲートによる雑音光低減方法," 電子情報通信学会光ファイバ応用技術研究会, OFT2000-48, pp. 25-30, 東京, September 2000.
• 外林秀之、北山研一、和田尚也、中條渉、"光符号によるフォトニックラベルスイッチングルーター," 第77回微小光学研究会、vol. 18, no. 3, pp. 53-58, 東京, September 2000.
• 梅野健、淡路祥成、外林秀之, 中條渉, "100GHzクロック数の光カオスパルス列の発生," 第61回応用物理学会学術講演会, , 北見, September 2000.
• Martin Schnarrenberger、外林秀之, 中條渉, Wolfgang Freude, "ビット同期π/2位相シフトによる符号間干渉の抑圧," 電子情報通信学会総合大会, B-10-90, 広島, March 2000.
• 橋本敏雄、外林秀之, 北山研一, 中條渉, "Supercontinuum光生成による 10 Gbit/s TDM - 2.5 Gbit/s x 4ch. WDM 変換," 電子情報通信学会総合大会, B-10-178, 広島, March 2000.
• 外林秀之, 北山研一, "光符号分割多重ネットワークにおける波長シフトを伴わない全光学光符号変換," 電子情報通信学会光ファイバ応用技術研究会, OFT00-2, 東京, Feburary 2000.
• 外林秀之, 北山研一, "光符号分割多重ネットワークにおけるフォトニック処理技術の応用," 電子情報通信学会光ファイバ応用技術研究会, OFT99-11, pp.15-20, 東京, November 1999.
• 和田尚也，外林秀之，北山研一, "光符号分割多重通信におけるファイバ回折格子の応用," 日本光学会年次学術講演会 (Optics Japan '99), 23aA10, 大阪, November 1999.
• 外林秀之, 北山研一, "スペクトルスライスSupercontinuum 時間拡散BPSKパルス符号 を用いた10Gb/s 光符号／波長多重多元接続," 電子情報通信学会エレクトロニクスソサエティ大会, B-13-10, 千葉, September 1999.
• 和田尚也，外林秀之，北山研一, "SC光源とファイバ格子を用いた時間拡散/波長ホップOCDM," 電子情報通信学会ソサイエティ大会, B-10-128, 千葉, September 1999.
• 北山研一，和田尚也，外林秀之, "光CDMAとフォトニックネットワークへの応用,'' 電子情報通信学会第一回フォトニックネットワークをベースとした次世代インターネット技術研究会, PIN99-7, pp.45-52, June 1999.
• 外林秀之, 北山研一, "広帯域インコヒーレント光源のバイポーラコーディングによるギガビットOCDM伝送実験," 電子情報通信学会総合大会, SAB-1-6, 横浜, March 1999.
• 北山研一、外林秀之, "Optical code-wavelength convertible OCDM/WDM networks," 電子情報通信学会総合大会, SAB-1-9, 横浜, March 1999.
• 外林秀之, 北山研一, "Supercontinuum光を用いた多波長 10 Gb/s バイポーラコーディング," 第46回応用物理学関係連合講演会, 29p-C-2, 千葉, March 1999.
• 外林秀之, 北山研一, "EDFA の ASE 光を用いた 10 Gbit/s コヒーレント光符号分割多重通信方式の原理実験," 電子情報通信学会エレクトロニクスソサエティ大会, B-10-101, 山梨, September 1998.
• 外林秀之, 北山研一, "半導体光増幅器を用いた波長変換におけるパルス間相対位相保存の実験的検証," 第59回応用物理学会学術講演会, 16p-Y-6, 広島, September 1998.
• 外林秀之, 北山研一, "EDFA の ASE 光を用いたプログラマブルトランスバーサルフィルタのインパルス応答の測定," 第59回応用物理学会学術講演会, 15p-T-14, 広島, September 1998.
• 外林秀之, 北山研一, "パルス圧縮および分散フラット正常分散ファイバを用いた Supercontinuum 発生," 電子情報通信学会総合大会, C-4-55, 東京, March 1998.
• 外林秀之, 菊池和朗, "能動モード同期外部リング共振器半導体レーザの離調による短パルス生成," 電子情報通信学会エレクトロニクスソサエティ大会, SC-4-6, 東京, September 1997.

著書

• Naokatsu Yamamoto, and H. Sotobayashi, "Quantum Dot Photonic Devices and Their Material Fabrications," chapter 13 in "Advances in Optical and Photonic Devices," edited by Ki Young Kim, INTECH, Jan. 2010.
• H. Sotobayashi, "Ultrafast Photonic Processing Applied to Photonic Networks," chapter 32 of "Advances in Information Optics and Photonics," SPIE Press, pp. pp. 687-711, June, 2008.
• 編集委員：分担執筆、"The Handbook of Computer Networks (3冊組)", John Wiley & Sons, Inc.社, 2007.
• H. Sotobayashi, "Optical code division multiple access: fundamentals and applications," Chapter 7 "Hybrid multiplexing techniques (OCDMA/TDM/WDM)," pp. 241-271, Crc press Taylor & Francis, New York, NY, U.S.A., 2005.
• H. Sotobayashi and T. Ozeki, "WDM Technologies: Optical Networks," Chapter 2 "OTDM and WDM for Large-Scale Photonic Networks," pp. 13-61, Elsevier Academic Press, Burlington, MA, U.S.A., 2004.
• H. Sotobayashi and K. Kitayama, "Optical code based label swapping for photonic routing," in "High-performance backbone network technology," pp. 909-915, Marcel Dekker, New York, U.S.A., 2004.
• 電子情報通信用語辞典（分担執筆）, 電子情報通信学会編；コロナ社, 1999.
• 外林秀之、「光符号分割多重通信システム」, オプトロニクス, no. 11, pp. 158-162, 2000.
• 外林秀之、「フォトニックゲートウェイ」, オプトロニクス, no. 1, pp. 141-146, 2001.
• Hideyuki Sotobayashi, "Photonic Gateway," New Breeze, vol. 13, no. 1, pp. 21-23, January 2001.
• 外林秀之, 「フォトニックゲートウェイ」、光通信技術の最新資料集V、pp. 173-178, オプトロニクス社, 2001.
• 外林秀之, 「光符号分割多重通信システム」、 光通信技術の最新資料集V、pp. 250-254, オプトロニクス社, 2001.

紀要

• P. T. Rakich, H. Sotobayashi, J. T. Gopinath, J. W. Sickler, C. W. Wong, S. G. Johnson, M. Qi, E. Lidorikis, H. I. Smith, J. D. Joannopoulos and E. P. Ippen, "Unpolarized Supercontinuum Sources for Broadband Studies of 1D and 3D Photonic Crystals," MIT RLE Progress Report 148, chapter 29, pp. 90-96, 2008.
• P. T. Rakich, H. Sotobayashi, J. T. Gopinath, J. W. Sickler, C. W. Wong, S. G. Johnson, M. Qi, E. Lidorikis, H. I. Smith, J. D. Joannopoulos and E. P. Ippen, "Broadband Optical Studies of 1-D and 3-D Photonic Crystals," MIT RLE Progress Report 147, chapter 26, pp. 71-76, 2007.
• H. Sotobayashi, "Supercontinuum Generation and its Applications," Journal of the NAtional Institute of Information and Communication Technoplogy, vol. 53, no. 3, pp. 33-40, 2006.
• 外林秀之, "超広帯域光生成技術とその応用," 情報通信研究機構季報, vol.52, no. 3, pp. 33-38, 2006.
• P. T. Rakich, C. W. Wong, S. G. Johnson, J.Gopinath, H. Sotobayashi, J. D. Joannopoulos, E. P. Ippen, "Broadband Spectral Measurements of High-Index Photonic Circuits Using Supercontinuum Light Source from 1 to 2 μm", MIT RLE Progress Report 146, chapter 24, pp. 57-60, 2006.
• J. W. Sickler, J. T. Gopinath, S. N. Tandon, P. T. Rakich, H. Sotobayashi, G. S. Petrich, L. A. Kolodziejski, E. P. Ippen, "Fiber Laser Studies using Erbium-doped Bismuth Oxide Gain Fiber," MIT RLE Progress Report 146, chapter 24, pp. 28-30, 2006.
• P. T. Rakich, S. Assefa, P. Bienstman, S. G. Johnson, J. Gopinath, H. Sotobayashi, G. S. Petrich, J. D. Joannopoulos, L. A. Kolodziejski, E. P. Ippen, H. I. Smith, "Guiding and Band Edge Measurements of 2-Dimensional Photonic Crystal Slab Formed by Posts," MIT RLE Progress Report 145, chapter 24, pp. 67-69, 2005.
• I. Morohashi, T. Sakamoto, S. Saitou, H. Sotobayashi, T. Kawanishi, N. Sekine, I. Hosako, M. Tsuchiya, "High-Repetition TDS System," Journal of the NAtional Institute of Information and Communication Technoplogy, vol. 55, no. 1, pp. 45-52, 2008.
• 諸橋功，坂本高秀，齋藤伸吾, 外林秀之，川西哲也，関根徳彦, 寳迫巌, 土屋昌弘, "高繰り返しTDS システム," 情報通信研究機構季報, vol.54, no. 1, pp. 37-43, 2008.

特許

• 外林秀之，北山研一､｢光ファイバ分散測定方法｣､特許第2972885号
• 梅野健、淡路祥成、　外林秀之、「光信号変調装置、および、光信号変調方法」、特許第3096703号
• 外林秀之，北山研一､｢光パルス列変換方法｣､特許第3089420号
• 外林秀之，北山研一､｢多波長位相変調パルス列生成装置およびその生成方法｣、特許第3200630号
• 外林秀之，北山研一､｢光符号変換方法｣、特許第3409080号
• 外林秀之, 中條渉, 小関健、「光信号監視装置」、特許3632081号
• 外林秀之, 中條渉, 小関健、「光分散等化方法及び光分散等化器」、特許3697512号
• 井上潤、外林秀之、中條渉、｢リングレーザを用いた四光波混合装置｣､特許第3787617号
• 井上潤、外林秀之、淡路祥成、｢周波数シフトフリー位相共役器及びそれを用いた通信システム｣､特許第4182204号
• 米国特許　Patent no. US6912338B2

“Optical signal noise reduction device and method of reducing optical signal noise,”

Date of Patent: Jun. 28, 2005Hideyuki Sotobayashi, Wataru Chujo

• 米国特許　Patent no. US7177544B1

“Photonic network packet routing method and packet router for photonic network,”

Date of Patent: Feb. 13, 2007, Naoya Wada, Hideyuki Sotobayashi, Ken-ichi Kitayama

受賞

* 平成12年度 電子情報通信学会 学術奨励賞、外林秀之
「スペクトルスライスSupercontinuum時間拡散BPSKパルス符号を用いた10Gb/s光符号/波長多重多元接続」

* 平成12年度 光科学技術研究振興財団 研究表彰、外林秀之
「超高速光信号処理技術を用いた次世代フォトニックネットワーク基盤技術に関する研究」

* 文部科学省　第60回注目発明表彰　「光ファイバ分散測定方法」、外林秀之、北山研一　（2001年4月）
http://www.mext.go.jp/b_menu/houdou/13/04/010429.htm#top

* The best paper award of the OptoElectronics and Communications Conference 2002 (OECC),
J. Inoue, H. Sotobayashi, W. Chujo, and H. Kawaguchi, "80-Gbit/s carrier-suppressed RZ signal transmission over 208-km standard fiber using an optical phase conjugation," the 7th OptoElectronics and Communications Conference (OECC2002), 9B1-3, Yokohama, July 2002.

* 平成14年度第18回テレコムシステム技術賞（電気通信普及財団） (2003年3月)
H. Sotobayashi, W. Chujo, and K. Kitayama, "Transparent virtual optical code/wavelength path network," IEEE Journal of Selected Topics in Quantum Electronics, vol. 8, no. 3, pp. 699-704, 2002.
http://www.taf.or.jp/award/prize/18_telesys.html

* 平成14年度第44回応用物理学会光学論文賞 (2003年3月）
H. Sotobayashi, W. Chujo and K. Kitayama, "1.6-b/s/Hz 6.4-Tb/s QPSK-OCDM/WDM (4 OCDM x 40 WDM x 40 Gb/s) transmission experiment using optical hard thresholding," IEE Photonics Technology Letters, vol. 14, no.4, pp. 555-557, 2002.

* The best paper award of the 7th World Multiconference on Systemics, Cybernetics and Informatics (SCI2003)
H. Sotobayashi, W. Chujo, and T. Ozeki, "Ultrafast Hierarchical Hybrid OTDM/WDM Network," The 7th World Multiconference on Systemics, Cybernetics and Informatics (SCI2003), Orlando, July 2003.

* 文部科学大臣表彰　若手科学者賞、外林秀之　（平成18年4月）
「光ネットワーク分野における超高速光処理基盤技術の研究」

* The ICO Prize in Optics from the International Commission for Optics.(平成20年7月)
"in recognition of his outstanding contributions in the areas of optics communications, optical fiber technologies and new photonic devices"
http://www.ico-optics.org/ico_jan07.html

* 船井情報科学振興財団振興賞、外林秀之　（平成21年4月）
「フォトニックネットワーク応用に向けた超高速光エレクトロニクスの先駆的研究」
http://www.funai.or.jp/ffit_list/8ffit_1.html

[光量子エレクトロニクス研究室　へ戻る]
[青山学院大学理工学部電気電子工学科　へ戻る]