Takayuki Kobayashi

103 papers C 1Journal 16Unranked 86

Year	Rank	Type	Title / Venue / Authors
2025	—	`conf`	27-THz ISRS-Supported Transmission Over 1040 km in S+C+L+U and Extreme Longer-Wavelength Band. OFC Shimpei Shimizu, Kosuke Kimura, Akira Kawai, Masashi Abe, Shunya Konno, Takushi Kazama, Masanori Nakamura, Fukutaro Hamaoka, Koji Enbutsu, Takahiro Kashiwazaki, Munehiko Nagatani, Hitoshi Wakita, Yuta Shiratori, Hiroshi Yamazaki, Hiroyuki Takahashi, Takeshi Umeki, Takayuki Kobayashi, Yutaka Miyamoto
2025	—	`conf`	628 Gb/s Net Bitrate IMDD Transmission Using Ultra-broadband InP-DHBT-based Electrical Mixer with Upper-sideband Gain-enhanced Mode. OFC Masanori Nakamura, Teruo Jyo, Munehiko Nagatani, Hitoshi Wakita, Miwa Mutoh, Yuta Shiratori, Hiroki Taniguchi, Shuto Yamamoto, Fukutaro Hamaoka, Etsushi Yamazaki, Takayuki Kobayashi, Hiroyuki Takahashi, Yutaka Miyamoto
2025	—	`conf`	651-Gb/s Net Bitrate IMDD Transmission Using Electrical Bandwidth Multiplexing and Demultiplexing Techniques Based on Ultra-Broadband InP-DHBT Mixers. ECOC Masanori Nakamura, Munehiko Nagatani, Teruo Jyo, Hitoshi Wakita, Miwa Mutoh, Yuta Shiratori, Fukutaro Hamaoka, Hiroki Taniguchi, Shuto Yamamoto, Etsushi Yamazaki, Takayuki Kobayashi, Hiroyuki Takahashi, Yutaka Miyamoto
2025	—	`conf`	9-THz Wideband PPLN-Based Wavelength Converter for Simultaneous Conversion of C+L-Band WDM Signal to Full S-Band. OFC Shunya Konno, Shimpei Shimizu, Masashi Abe, Takushi Kazama, Koji Enbutsu, Takahiro Kashiwazaki, Masanori Nakamura, Takayuki Kobayashi, Yutaka Miyamoto, Takeshi Umeki
2025	—	`conf`	Cross-λ Phase Diversity: A Simple Chromatic-Dispersion-Tolerant Direct-Detection Scheme. OFC Hiroshi Yamazaki, Masanori Nakamura, Josuke Ozaki, Yoshihiro Ogiso, Takayuki Kobayashi, Toshikazu Hashimoto, Yutaka Miyamoto
2025	—	`conf`	Evaluation Method of Adaptive SDM-MIMO Equaliser Based on the Quantitative Coupled Channel Dynamics. ECOC Megumi Hoshi, Kohki Shibahara, Akira Kawai, Ryota Imada, Takayoshi Mori, Taiji Sakamoto, Kazuhide Nakajima, Takayuki Kobayashi, Yutaka Miyamoto
2025	—	`conf`	Full C-band 3317-km 12-Coupled-Core-Fiber Transmission with 266.2-Tbps Capacity Using Field-Installed Fiber-Optic Cable. OFC Kohki Shibahara, Akira Kawai, Megumi Hoshi, Masanori Nakamura, Takayuki Kobayashi, Ryota Imada, Takayoshi Mori, Taiji Sakamoto, Yusuke Yamada, Kazuhide Nakajima, Munehiko Nagatani, Hitoshi Wakita, Yuta Shiratori, Hiroshi Yamazaki, Hiroyuki Takahashi, Soichi Endo, Takemi Hasegawa, Koichi Maeda, Shigehiro Takasaka, Ryo Nagase, Yutaka Miyamoto
2025	—	`conf`	Inter-Core Crosstalk Estimation in Uni- and Bi-Directional Multiband WDM Transmissions. ECOC Kosuke Kimura, Shimpei Shimizu, Megumi Hoshi, Kohki Shibahara, Akira Kawai, Masanori Nakamura, Fukutaro Hamaoka, Takayuki Kobayashi, Yutaka Miyamoto
2025	—	`conf`	Long-Haul 2000-Km Single-Mode Fibre Transmission with Net Bitrate of 105.6 Tb/S in S+C+L Band Using Low-Noise Forward-Pumped Distributed Raman Amplification. ECOC Fukutaro Hamaoka, Hiroto Kawakami, Kosuke Kimura, Masanori Nakamura, Shimpei Shimizu, Takayuki Kobayashi, Yutaka Miyamoto, Etsushi Yamazaki
2025	—	`conf`	Net 107.7-Tb/s Triple-Band WDM Transmission Over 1200-km Single-Mode Fiber With Forward- and Backward-Pumped Distributed Raman Amplifiers. OFC Fukutaro Hamaoka, Kosuke Kimura, Masanori Nakamura, Takeo Sasai, Takayuki Kobayashi, Yutaka Miyamoto, Etsushi Yamazaki
2025	—	`conf`	Net Bitrate of $2.52-Tb/s/\lambda$ 120-km Single-Channel Transmission and $>\text{2-Tb/s/}\lambda \text{ 1040-km}$ WDM Transmission using InP-DHBT-Based All-Electronically Multiplexed 248-GBd Transmitter. ECOC Masanori Nakamura, Fukutaro Hamaoka, Munehiko Nagatani, Hitoshi Wakita, Teruo Jyo, Yuta Shiratori, Etsushi Yamazaki, Hiroyuki Takahashi, Takayuki Kobayashi, Yutaka Miyamoto
2025	—	`conf`	Real-Time SDM-MIMO Transmission with 12-Coupled SDM Channels Over Field-Installed Fibre Cable. ECOC Kohki Shibahara, Akira Kawai, Megumi Hoshi, Manabu Arikawa, Kohei Hosokawa, Takaya Maeda, Ryota Imada, Takayoshi Mori, Taiji Sakamoto, Yusuke Yamada, Kazuhide Nakajima, Soichi Endo, Takemi Hasegawa, Koichi Maeda, Shigehiro Takasaka, Ryo Nagase, Takayuki Kobayashi, Yutaka Miyamoto
2025	—	`conf`	SDM Transmission Technologies Enabling Over-10-Tb/S SDM-MIMO Signals. ECOC Akira Kawai, Kohki Shibahara, Masanori Nakamura, Megumi Hoshi, Takayuki Kobayashi, Ryota Imada, Takayoshi Mori, Taiji Sakamoto, Yusuke Yamada, Kazuhide Nakajima, Munehiko Nagatani, Hitoshi Wakita, Yuta Shiratori, Hiroshi Yamazaki, Hiroyuki Takahashi, Soichi Endo, Takemi Hasegawa, Koichi Maeda, Shigehiro Takasaka, Ryo Nagase, Yutaka Miyamoto
2025	—	`conf`	Vertically Coded Probabilistic Shaping Enabling MDL-Tolerant Over-14.5- Tb/S/λ Spatial MIMO Transmission. ECOC Akira Kawai, Kohki Shibahara, Masanori Nakamura, Megumi Hoshi, Takayuki Kobayashi, Ryota Imada, Takayoshi Mori, Taiji Sakamoto, Yusuke Yamada, Kazuhide Nakajima, Munehiko Nagatani, Hitoshi Wakita, Yuta Shiratori, Hiroshi Yamazaki, Hiroyuki Takahashi, Soichi Endo, Takemi Hasegawa, Ryo Nagase, Yutaka Miyamoto
2024	—	`conf`	100-GHz-bandwidth InP-based On-board Coherent Tx Front-end enabling 2-Tb/s/λ Optical Transmission. OFC Hitoshi Wakita, Munehiko Nagatani, Yoshihiro Ogiso, Masanori Nakamura, Fukutaro Hamaoka, Yuta Shiratori, Takayuki Kobayashi, Yutaka Miyamoto, Hiroyuki Takahashi
2024	—	`conf`	110.7-Tb/s Single-Mode-Fiber Transmission over 1040 km with High-Symbol-Rate 144-GBaud PDM-PCS-QAM Signals. OFC Fukutaro Hamaoka, Masanori Nakamura, Takeo Sasai, Shuto Sugawara, Takayuki Kobayashi, Yutaka Miyamoto, Etsushi Yamazaki
2024	—	`conf`	AMUX-based Bandwidth Tripler with Time-interleaved Nonlinear Digital Pre-distortion Enabling 216-GBd PS-PAM8 Signal. OFC Masanori Nakamura, Munehiko Nagatani, Hiroshi Yamazaki, Teruo Jyo, Miwa Mutoh, Yuta Shiratori, Hitoshi Wakita, Hiroki Taniguchi, Shuto Yamamoto, Fukutaro Hamaoka, Takayuki Kobayashi, Hiroyuki Takahashi, Yutaka Miyamoto
2024	—	`conf`	Accurate SNR Estimation in C+L-band 10-THz Hybrid Raman-EDFA Amplified Transmission Using Two-Stage Power Profile Calculation Accounting for Pump Depletion. OFC Kosuke Kimura, Shimpei Shimizu, Takayuki Kobayashi, Masanori Nakamura, Yutaka Miyamoto
2024	—	`conf`	C+L+U-Band 14.85-THz WDM Transmission Over 80-km-Span G.654.E Fiber with Hybrid PPLN-OPA/EDFA U-Band Lumped Repeater Using 144-Gbaud PCS-QAM Signals. OFC Takayuki Kobayashi, Shimpei Shimizu, Akira Kawai, Masanori Nakamura, Masashi Abe, Takushi Kazama, Takeshi Umeki, Munehiko Nagatani, Kosuke Kimura, Hitoshi Wakita, Yuta Shiratori, Fukutaro Hamaoka, Hiroshi Yamazaki, Hiroyuki Takahashi, Yutaka Miyamoto
2024	—	`conf`	Cascadability of PPLN-Based Inter-Band Wavelength Conversion for Band-Switchable Multi-Band Optical Cross-Connect. OFC Haruka Minami, Takafumi Fukatani, Masahiro Nakagawa, Takeshi Seki, Shimpei Shimizu, Takayuki Kobayashi, Takushi Kazama, Koji Enbutsu, Takeshi Umeki, Rie Hayashi, Takeshi Kuwahara
2024	—	`conf`	Double-decker CDC-ROADM node for multi-band network with wavelength band granularity. OFC Kenya Suzuki, Masashi Ota, Yoshie Morimoto, Keita Yamaguchi, Fukutaro Hamaoka, Shuto Sugawara, Takeo Sasai, Takayuki Kobayashi, Masanori Nakamura, Satomi Katayose, Takeshi Umeki, Daisuke Ogawa, Yiran Ma, Stefano Camatel, Mitsunori Fukutoku, Yutaka Miyamoto, Osamu Moriwaki
2024	—	`conf`	Low-Complexity 4D×D MIMO Equalizer Enabling 2.6-Tb/s/λ SDM Signal Reception over Dynamic Four-Coupled-Core Cabled Transmission Line. OFC Akira Kawai, Kohki Shibahara, Masanori Nakamura, Takayuki Kobayashi, Takayoshi Mori, Ryota Imada, Taiji Sakamoto, Yusuke Yamada, Kazuhide Nakajima, Yutaka Miyamoto
2024	—	`conf`	Modeling and Experimental Verification in S+C+L+U Quadrable-Band WDM Transmission System using C+L-Band Transceivers and Wavelength Converters. OFC Hidenobu Muranaka, Tomoyuki Kato, Tomohiro Yamauchi, Hiroyuki Irie, Hiroki Ooi, Yu Tanaka, Shimpei Shimizu, Takayuki Kobayashi, Takushi Kazama, Masashi Abe, Takeshi Umeki, Yutaka Miyamoto, Takeshi Hoshida
2024	—	`conf`	PPLN-Based Polarization-Diverse Phase-Sensitive Amplification of 96-Gbaud PDM-PCS-64QAM Signal with Carrier-Phase-Locked Phase-Conjugated Twin Waves. OFC Shimpei Shimizu, Takushi Kazama, Takeshi Umeki, Koji Enbutsu, Masanori Nakamura, Masashi Abe, Takayuki Kobayashi, Yutaka Miyamoto
2024	—	`conf`	S+C+L WDM Coherent Transmission with >1-Tb/s/λ Signals. OFC Fukutaro Hamaoka, Masanori Nakamura, Takayuki Kobayashi, Yutaka Miyamoto, Etsushi Yamazaki, Yoshiaki Kisaka
2023	—	`conf`	103-ch. 132-Gbaud PS-QAM Signal Inline-amplified Transmission with 14.1-THz Bandwidth Lumped PPLN-based OPAs over 400-km G.652.D SMF. OFC Takayuki Kobayashi, Shimpei Shimizu, Masanori Nakamura, Takushi Kazama, Masashi Abe, Takeshi Umeki, Akira Kawai, Fukutaro Hamaoka, Munehiko Nagatani, Hiroshi Yamazaki, Yutaka Miyamoto
2023	—	`conf`	173.7-Tb/s Triple-Band WDM Transmission using 124-Channel 144-GBaud Signals with SE of 9.33 b/s/Hz. OFC Fukutaro Hamaoka, Masanori Nakamura, Minami Takahashi, Takayuki Kobayashi, Yutaka Miyamoto, Yoshiaki Kisaka
2023	—	`conf`	38.4-Tbps Inline-amplified Transmission Using PPLN-based Optical Parametric Amplifier over 6 THz within L- and U-bands. OFC Shimpei Shimizu, Takayuki Kobayashi, Akira Kawai, Takushi Kazama, Masanori Nakamura, Koji Enbutsu, Takahiro Kashiwazaki, Masashi Abe, Takeshi Umeki, Yutaka Miyamoto, Tomoyuki Kato, Yu Tanaka, Takeshi Hoshida
2023	—	`conf`	Beyond 200-GBd QAM Signal Detection Based on Trellis-path-limited Sequence Estimation Supporting Soft-decision Forward Error Correction. OFC Masanori Nakamura, Hiroki Taniguchi, Shuto Yamamoto, Fukutaro Hamaoka, Munehiko Nagatani, Teruo Jyo, Miwa Mutoh, Yuta Shiratori, Hitoshi Wakita, Takayuki Kobayashi, Hiroyuki Takahashi, Yutaka Miyamoto
2023	—	`conf`	Experimental Demonstration of Cascadable PPLN-Based Inter-Band Wavelength Converters for Band-Switchable Multi-Band Optical Cross-Connect. OFC Haruka Minami, Kenta Hirose, Takafumi Fukatani, Masahiro Nakagawa, Takeshi Seki, Shimpei Shimizu, Takayuki Kobayashi, Takushi Kazama, Koji Enbutsu, Kei Watanabe, Takeshi Umeki, Takashi Miyamura, Takeshi Kuwahara
2023	—	`conf`	Remote Digital Holographic Characterization of a 75.2 km Few-Mode Fiber without Reference Wave Transfer. OFC Akira Kawai, Shimpei Shimizu, Kohki Shibahara, Takayuki Kobayashi, Yutaka Miyamoto
2023	J	`jnl`	S-Band WDM Transmission Using PPLN-Based Wavelength Converters and 400-Gb/s C-Band Real-Time Transceivers. IEICE Trans. Commun. Tomoyuki Kato, Hidenobu Muranaka, Yu Tanaka, Yuichi Akiyama, Takeshi Hoshida, Shimpei Shimizu, Takayuki Kobayashi, Takushi Kazama, Takeshi Umeki, Kei Watanabe, Yutaka Miyamoto
2022	—	`conf`	1.0-Tb/s/λ 3840-km and 1.2-Tb/s/λ 1280-km Transmissions with 168-GBaud PCS-QAM Signals Based on AMUX Integrated Frontend Module. OFC Masanori Nakamura, Takeo Sasai, Kohei Saito, Fukutaro Hamaoka, Takayuki Kobayashi, Hiroshi Yamazaki, Munehiko Nagatani, Yoshihiro Ogiso, Hitoshi Wakita, Yoshiaki Kisaka
2022	—	`conf`	110-GHz-Bandwidth InP-HBT AMUX/ADEMUX Circuits for Beyond-1-Tb/s/ch Digital Coherent Optical Transceivers. CICC Munehiko Nagatani, Hitoshi Wakita, Teruo Jyo, Tsutomu Takeya, Hiroshi Yamazaki, Yoshihiro Ogiso, Miwa Mutoh, Yuta Shiratori, Minoru Ida, Fukutaro Hamaoka, Masanori Nakamura, Takayuki Kobayashi, Hiroyuki Takahashi, Yutaka Miyamoto
2022	—	`conf`	112.8-Tb/s Real-Time Transmission over 101 km in 16.95-THz Triple-Band (S, C, and L Bands) WDM Configuration. OECC/PSC Fukutaro Hamaoka, Kohei Saito, Akira Masuda, Hiroki Taniguchi, Takeo Sasai, Masanori Nakamura, Takayuki Kobayashi, Yoshiaki Kisaka
2022	—	`conf`	4-Dimensional IQ Characteristic Estimation for Polarization-multiplexed Coherent Transceivers. OFC Akira Kawai, Masanori Nakamura, Takayuki Kobayashi, Yutaka Miyamoto
2022	—	`conf`	50-Tb/s (1 Tb/s × 50 ch) WDM Transmission on Two 6.25-THz Bands Using Hybrid Inline Repeater of PPLN-based OPAs and Incoherent-forward-pumped DRA. OFC Takayuki Kobayashi, Shimpei Shimizu, Masanori Nakamura, Takeshi Umeki, Takushi Kazama, Junji Yoshida, Shigehiro Takasaka, Yasuto Tatamida, Hiroto Kawakami, Fukutaro Hamaoka, Munehiko Nagatani, Hiroshi Yamazaki, Kei Watanabe, Takashi Saida, Yutaka Miyamoto
2022	J	`jnl`	Channel Arrangement Design in Lumped Amplified WDM Transmission over NZ-DSF Link with Nonlinearity Mitigation Using Optical Phase Conjugation. IEICE Trans. Commun. Shimpei Shimizu, Takayuki Kobayashi, Takeshi Umeki, Takushi Kazama, Koji Enbutsu, Ryoichi Kasahara, Yutaka Miyamoto
2022	J	`jnl`	Coherent Optical Transceivers Scaling and Integration Challenges. Proc. IEEE Takayuki Kobayashi, Junho Cho, Marco Lamponi, Guilhem de Valicourt, Christopher R. Doerr
2022	—	`conf`	Experimental Investigation of Influence of SOA-Induced Nonlinear Distortion on High-Symbol-Rate 168-GBaud Signal for Achieving Ultra-Broadband Optical Frontend. OFC Fukutaro Hamaoka, Masanori Nakamura, Takayuki Kobayashi, Munehiko Nagatani, Hitoshi Wakita, Hiroshi Yamazaki, Yoshihiro Ogiso, Yoshiaki Kisaka
2022	—	`conf`	Generation of Carrier-Synchronized PDM Signal-Idler Pair for Polarization-Independent Phase-Sensitive Amplification. OECC/PSC Shimpei Shimizu, Takushi Kazama, Takeshi Umeki, Takayuki Kobayashi, Koji Enbutsu, Kei Watanabe, Yutaka Miyamoto
2022	—	`conf`	High Information Rate of 128-GBaud 1.8-Tb/s and 64-GBaud 1.03-Tb/s Signal Generation and Detection Using Frequency-Domain 8×2 MIMO Equalization. OFC Masanori Nakamura, Takayuki Kobayashi, Fukutaro Hamaoka, Yutaka Miyamoto
2022	—	`conf`	Impact of Local Oscillator Phase Noise on Long-Haul Transmission of 120-Gbaud Digital Sub-Carrier Signals. OFC Kohei Saito, Masanori Nakamura, Takeo Sasai, Takeshi Kakizaki, Fukutaro Hamaoka, Takayuki Kobayashi, Etsushi Yamazaki, Yoshiaki Kisaka
2022	—	`conf`	Mitigation of Intercore Crosstalk Impact with PPLN-based Optical Spectrum Inversion. OECC/PSC Megumi Hoshi, Kohki Shibahara, Shimpei Shimizu, Takayuki Kobayashi, Takeshi Umeki, Takushi Kazama, Kei Watanabe, Takayoshi Mori, Yusuke Yamada, Kazuhide Nakajima, Yutaka Miyamoto
2022	—	`conf`	Resolution-aware Smoothing and Backward Filter Convergence for Accurate Optical Performance Monitoring. OECC/PSC Akira Kawai, Takayuki Kobayashi, Masanori Nakamura, Yutaka Miyamoto
2022	—	`conf`	WDM Transmission in S-Band Using PPLN-Based Wavelength Converters and 400-Gb/s C-Band Real-Time Transceivers. OECC/PSC Tomoyuki Kato, Hidenobu Muranaka, Yu Tanaka, Yuichi Akiyama, Takeshi Hoshida, Shimpei Shimizu, Takayuki Kobayashi, Takushi Kazama, Takeshi Umeki, Kei Watanabe, Yutaka Miyamoto
2021	—	`conf`	13.4-Tb/s WDM Transmission over 1, 280 km Repeated only with PPLN-based Optical Parametric Inline Amplifier. ECOC Takayuki Kobayashi, Shimpei Shimizu, Masanori Nakamura, Takushi Kazama, Takeshi Umeki, Ryoichi Kasahara, Fukutaro Hamaoka, Yutaka Miyamoto
2021	—	`conf`	8-Tbps (20 × 400 Gbps) Unrepeated Transmission over 80 km with 2-THz PPLN-Based Phase-Sensitive Amplification Using Precise Chromatic Dispersion Pre-Compensation. ECOC Shimpei Shimizu, Takayuki Kobayashi, Takushi Kazama, Takeshi Umeki, Masanori Nakamura, Koji Enbutsu, Ryoichi Kasahara, Yutaka Miyamoto
2021	—	`conf`	High Symbol-Rate Signal Optimization for Long-Haul Transmission Systems over 1-Tbps/λ Net-Data Rate. ECOC Masanori Nakamura, Fukutaro Hamaoka, Takayuki Kobayashi, Hiroshi Yamazaki, Munehiko Nagatani, Yoshihiro Ogiso, Hitoshi Wakita, Yutaka Miyamoto
2021	—	`conf`	Revealing Raman-amplified Power Profile and Raman Gain Spectra with Digital Backpropagation. OFC Takeo Sasai, Masanori Nakamura, Takayuki Kobayashi, Hiroto Kawakami, Etsushi Yamazaki, Yoshiaki Kisaka
2021	—	`conf`	Wideband PPLN-based optical parametric amplifiers for scalable optical transport network. OFC Yutaka Miyamoto, Takayuki Kobayashi, Takeshi Umeki, Takushi Kazama, Koji Enbutsu, Shimpei Shimizu, Ryoichi Kasahara
2020	J	`jnl`	A Beyond-1-Tb/s Coherent Optical Transmitter Front-End Based on 110-GHz-Bandwidth 2: 1 Analog Multiplexer in 250-nm InP DHBT. IEEE J. Solid State Circuits Munehiko Nagatani, Hitoshi Wakita, Hiroshi Yamazaki, Yoshihiro Ogiso, Miwa Mutoh, Minoru Ida, Fukutaro Hamaoka, Masanori Nakamura, Takayuki Kobayashi, Yutaka Miyamoto, Hideyuki Nosaka
2020	J	`jnl`	Dual-Carrier 1-Tb/s Transmission Over Field-Deployed G.654.E Fiber Link Using Real-Time Transponder. IEICE Trans. Commun. Fukutaro Hamaoka, Takeo Sasai, Kohei Saito, Takayuki Kobayashi, Asuka Matsushita, Masanori Nakamura, Hiroki Taniguchi, Shoichiro Kuwahara, Hiroki Kawahara, Takeshi Seki, Josuke Ozaki, Yoshihiro Ogiso, Hideki Maeda, Yoshiaki Kisaka, Masahito Tomizawa
2020	—	`conf`	Entropy and Symbol-Rate Optimized 120 GBaud PS-36QAM Signal Transmission over 2400 km at Net-Rate of 800 Gbps/λ. OFC Masanori Nakamura, Takayuki Kobayashi, Hiroshi Yamazaki, Fukutaro Hamaoka, Munehiko Nagatani, Hitoshi Wakita, Hideyuki Nosaka, Yutaka Miyamoto
2020	J	`jnl`	Estimation of the effects of inset heights and slit configurations in an acetabular cup on the pull-out behavior of an artificial hip joint with a structure for preventing dislocation using finite element analysis. Medical Biol. Eng. Comput. Yuki Kawamura, Mitsushi Ohmasa, Takayuki Kobayashi, Yoshihito Matsufuji, Makoto Saito, Yoshinori Uwa, Saiji Washio, Ei Yamamoto
2020	—	`conf`	Gain Ripple and Passband Narrowing Due to Residual Chromatic Dispersion in Non-Degenerate Phase-Sensitive Amplifiers. OFC Shimpei Shimizu, Takushi Kazama, Takayuki Kobayashi, Takeshi Umeki, Koji Enbutsu, Ryoichi Kasahara, Yutaka Miyamoto
2020	—	`conf`	Long-Haul WDM Transmission with Over-1-Tb/s Channels using Electrically Synthesized High-Symbol-Rate Signals. OFC Takayuki Kobayashi, Masanori Nakamura, Fukutaro Hamaoka, Munehiko Nagatani, Hiroshi Yamazaki, Hideyuki Nosaka, Yutaka Miyamoto
2020	J	`jnl`	Nonlinearity Mitigation of PDM-16QAM Signals Using Multiple CSI-OPCs in Ultra-Long-Haul Transmission without Excess Penalty. IEICE Trans. Commun. Takeshi Umeki, Takayuki Kobayashi, Akihide Sano, Takuya Ikuta, Masashi Abe, Takushi Kazama, Koji Enbutsu, Ryoichi Kasahara, Yutaka Miyamoto
2020	—	`conf`	Ultra-wideband Optical Receiver Using Electrical Spectrum Decomposition Technique. ECOC Fukutaro Hamaoka, Masahito Nakamura, Munehiko Nagatani, Hitoshi Wakita, Takayuki Kobayashi, Hiroshi Yamazaki, Hideyuki Nosaka, Yutaka Miyamoto
2020	—	`conf`	Wideband Inline-Amplified WDM Transmission using PPLN-Based OPA with Over-10-THz Bandwidth. OFC Takayuki Kobayashi, Shimpei Shimizu, Masahito Nakamura, Takeshi Umeki, Takushi Kazama, Ryoichi Kasahara, Fukutaro Hamaoka, Munehiko Nagatani, Hiroshi Yamazaki, Takayuki Mizuno, Hideyuki Nosaka, Yutaka Miyamoto
2019	—	`conf`	1.04 Tbps/Carrier Probabilistically Shaped PDM-64QAM WDM Transmission Over 240 km Based on Electrical Spectrum Synthesis. OFC Masanori Nakamura, Fukutaro Hamaoka, Munehiko Nagatani, Hiroshi Yamazaki, Takayuki Kobayashi, Asuka Matsushita, Seiji Okamoto, Hitoshi Wakita, Hideyuki Nosaka, Yutaka Miyamoto
2019	—	`conf`	120-GBaud 32QAM Signal Generation using Ultra-Broadband Electrical Bandwidth Doubler. OFC Fukutaro Hamaoka, Masanori Nakamura, Munehiko Nagatani, Takayuki Kobayashi, Asuka Matsushita, Hitoshi Wakita, Hiroshi Yamazaki, Hideyuki Nosaka, Yutaka Miyamoto
2019	—	`conf`	192-Gbaud Signal Generation using Ultra-Broadband Optical Frontend Module Integrated with Bandwidth Multiplexing Function. OFC Masanori Nakamura, Fukutaro Hamaoka, Munehiko Nagatani, Yoshihiro Ogiso, Hitoshi Wakita, Hiroshi Yamazaki, Takayuki Kobayashi, Minoru Ida, Hideyuki Nosaka, Yutaka Miyamoto
2019	—	`conf`	35-Tb/s C-Band Transmission Over 800 km Employing 1-Tb/s PS-64QAM Signals Enhanced by Complex 8 × 2 MIMO Equalizer. OFC Takayuki Kobayashi, Masanori Nakamura, Fukutaro Hamaoka, Munehiko Nagatani, Hitoshi Wakita, Hiroshi Yamazaki, Takeshi Umeki, Hideyuki Nosaka, Yutaka Miyamoto
2019	—	`conf`	A 110-GHz-Bandwidth 2: 1 AMUX-Driver using 250-nm InP DHBTs for Beyond-1-Tb/s/carrier Optical Transmission Systems. BCICTS Munehiko Nagatani, Yutaka Miyamoto, Hideyuki Nosaka, Hitoshi Wakita, Yoshihiro Ogiso, Hiroshi Yamazaki, Miwa Mutoh, Minoru Ida, Fukutaro Hamaoka, Masanori Nakamura, Takayuki Kobayashi
2019	—	`conf`	Digital-Preprocessed Analog-Multiplexed DAC for High-Speed Optical Communications. OECC/PSC Hiroshi Yamazaki, Munehiko Nagatani, Hitoshi Wakita, Masanori Nakamura, Fukutaro Hamaoka, Takayuki Kobayashi, Yoshihiro Ogiso, Minoru Ida, Toshikazu Hashimoto, Hideyuki Nosaka, Yutaka Miyamoto
2019	—	`conf`	Dual-Carrier 1-Tb/s Transmission Over Field-Deployed Large-Core Pure-Silica-Core Fiber Link Using Real-Time Transponder. OECC/PSC Fukutaro Hamaoka, Takeo Sasai, Kohei Saito, Takayuki Kobayashi, Asuka Matsushita, Masanori Nakamura, Hiroki Taniguchi, Shoichiro Kuwahara, Hiroki Kawahara, Takeshi Seki, Josuke Ozaki, Yoshihiro Ogiso, Hideki Maeda, Yoshiaki Kisaka, Masahito Tomizawa
2019	—	`conf`	Full C-Band 3060-km DMD-Unmanaged 3-Mode Transmission with 40.2-Tb/s Capacity using Cyclic Mode Permutation. OFC Kohki Shibahara, Takayuki Mizuno, Hiroto Kawakami, Takayuki Kobayashi, Masanori Nakamura, Kota Shikama, Kazuhide Nakajima, Yutaka Miyamoto
2019	—	`conf`	Long-Haul SDM Transmission Using Mode Division Multiplexing. OECC/PSC Kohki Shibahara, Takayuki Mizuno, Takayuki Kobayashi, Yutaka Miyamoto
2019	—	`conf`	Mode-Division Multiplexing Systems for High-Capacity Optical Transport Network. OFC Yutaka Miyamoto, Kohki Shibahara, Takayuki Mizuno, Takayuki Kobayashi
2019	—	`conf`	Nonlinearity mitigation of PDM-16QAM signal using multiple CSI-OPCs in ultra-long haul transmission without excess penalty. OECC/PSC Takeshi Umeki, Takayuki Kobayashi, Akihide Sano, Takuya Ikuta, Masashi Abe, Takushi Kazama, Koji Enbutsu, Ryoichi Kasahara, Yutaka Miyamoto
2019	—	`conf`	PDM-16QAM WDM Transmission with 2 OFC Takayuki Kobayashi, Masahito Morimoto, Haruki Ogoshi, Junji Yoshida, Shigehiro Takasaka, Yutaka Miyamoto
2019	—	`conf`	Ultra-High Bandwidth InP IQ Modulator for Beyond 100-GBd Transmission. OFC Yoshihiro Ogiso, Josuke Ozaki, Yuta Ueda, Hitoshi Wakita, Munehiko Nagatani, Hiroshi Yamazaki, Masanori Nakamura, Takayuki Kobayashi, Shigeru Kanazawa, Takuro Fujii, Yasuaki Hashizume, Hiromasa Tanobe, Nobuhiro Nunoya, Minoru Ida, Yutaka Miyamoto, Mitsuteru Ishikawa
2018	—	`conf`	96-Gbaud PDM-8QAM Single Channel Transmission over 9, 600 km by Nonlinear Tolerance Enhancement using PPLN-based Optical Phase Conjugation. OFC Takayuki Kobayashi, Takeshi Umeki, Ryoichi Kasahara, Hiroshi Yamazaki, Munehiko Nagatani, Hitoshi Wakita, Hirokazu Takenouchi, Yutaka Miyamoto
2018	—	`conf`	Advanced DSP Technologies with Symbol-rate over 100-Gbaud for High-capacity Optical Transport Network. OFC Masanori Nakamura, Fukutaro Hamaoka, Asuka Matsushita, Hiroshi Yamazaki, Munehiko Nagatani, Takayuki Kobayashi, Yoshiaki Kisaka, Yutaka Miyamoto
2018	J	`jnl`	Nonlinear Phase-Shift Cancellation by Taking the Geometric Mean of WDM-Signal Phase-Conjugate Pair. IEICE Trans. Commun. Takahisa Kodama, Akira Mizutori, Takayuki Kobayashi, Takayuki Mizuno, Masafumi Koga
2018	—	`conf`	Polarization-diversity In-line Phase Sensitive Amplifier for Simultaneous Amplification of Fiber-transmitted WDM PDM-16QAM Signals. OFC Takeshi Umeki, Takushi Kazama, Takayuki Kobayashi, Shigehiro Takasaka, Yasuhiro Okamura, Koji Enbutsu, Osamu Tadanaga, Hirokazu Takenouchi, Ryuichi Sugizaki, Atsushi Takada, Ryoichi Kasahara, Yutaka Miyamoto
2018	—	`conf`	Towards Practical Implementation of Optical Parametric Amplifiers Based on PPLN Waveguides. OFC Takeshi Umeki, Takushi Kazama, Takayuki Kobayashi, Koji Enbutsu, Osamu Tadanaga, Hirokazu Takenouchi, Ryoichi Kasahara, Yutaka Miyamoto
2018	—	`conf`	Ultra-High Bandwidth InP IQ Modulator co-assembled with Driver IC for Beyond 100-GBd CDM. OFC Yoshihiro Ogiso, Hitoshi Wakita, Munehiko Nagatani, Hiroshi Yamazaki, Masanori Nakamura, Takayuki Kobayashi, Johsuke Ozaki, Yuta Ueda, S. Nakano, Shigeru Kanazawa, Takuro Fujii, Yasuaki Hashizume, Hiromasa Tanobe, Nobuhiro Nunoya, Minoru Ida, Yutaka Miyamoto, Nobuhiro Kikuchi
2017	—	`conf`	1-Pb/s (32 SDM/46 WDM/768 Gb/s) C-band dense SDM transmission over 205.6-km of single-mode heterogeneous multi-core fiber using 96-Gbaud PDM-16QAM channels. OFC Takayuki Kobayashi, Masanori Nakamura, Fukutaro Hamaoka, Kohki Shibahara, Takayuki Mizuno, Akihide Sano, H. Kawakami, Akira Isoda, Munehiko Nagatani, Hiroshi Yamazaki, Yutaka Miyamoto, Yoshimichi Amma, Yusuke Sasaki, Katsuhiro Takenaga, Kazuhiko Aikawa, Kunimasa Saitoh, Yongmin Jung, David J. Richardson, Klaus Pulverer, Marc Bohn, Md. Nooruzzaman, Toshio Morioka
2017	J	`jnl`	A Study on Lot-Size Dependence of Energy Consumption per Unit of Production Throughput Considering Buffer Capacity. Int. J. Autom. Technol. Hironori Hibino, Masahiro Yamamoto, Makoto Yamaguchi, Takayuki Kobayashi
2017	—	`conf`	Crosstalk Analysis of 32-Core Dense Space Division Multiplexed System for Higher Order Modulation Formats Using an Integrated Cladding-Pumped Amplifier. ECOC Carlos Castro, Saurabh Jain, Yongmin Jung, Erik De Man, Stefano Calabrò, Klaus Pulverer, Marc Bohn, John R. Hayes, Shaif-Ul Alam, David J. Richardson, Yusuke Sasaki, Takayuki Mizuno, Kohki Shibahara, Takayuki Kobayashi, Yutaka Miyamoto, Toshio Morioka, Werner Rosenkranz
2017	J	`jnl`	Effective Utilization of Unallocated Intervals in TDD-Based Fronthaul Employing TDM-PON. JOCN Daisuke Hisano, Tatsuya Shimada, Hiroshi Ou, Takayuki Kobayashi, Yu Nakayama, Hiroyuki Uzawa, Jun Terada, Akihiro Otaka
2017	—	`conf`	Experimental Demonstration of Simplified Adaptive Equalizer for Fractionally Sampled 120-GBaud Signal. ECOC Fukutaro Hamaoka, Seiji Okamoto, Masanori Nakamura, Asuka Matsushita, Takayuki Kobayashi, Hiroshi Yamazaki, Munehiko Nagatani, Yoshiaki Kisaka, Akira Hirano, Yutaka Miyamoto
2016	—	`conf`	Bandwidth allocation scheme based on simple statistical traffic analysis for TDM-PON based mobile fronthaul. OFC Takayuki Kobayashi, Hiroshi Ou, Daisuke Hisano, Tatsuya Shimada, Jun Terada, Akihiro Otaka
2016	—	`conf`	Efficient accommodation of mobile fronthaul and secondary services in a TDM-PON system with wireless TDD frame monitor. ICC Daisuke Hisano, Tatsuya Shimada, Hiroshi Ou, Takayuki Kobayashi, Shigeru Kuwano, Jun Terada, Akihiro Otaka
2016	J	`jnl`	Optical DP-High Order-QAM Transmission System for High-Speed Short Links Utilizing Copropagating Twin Local Lights. IEICE Trans. Commun. Hiroto Kawakami, Takayuki Kobayashi, Yutaka Miyamoto
2016	—	`conf`	Passive optical network range applicable to cost-effective mobile fronthaul. ICC Hiroshi Ou, Takayuki Kobayashi, Tatsuya Shimada, Daisuke Hisano, Jun Terada, Akihiro Otaka
2016	J	`jnl`	Wide-Range and Fast-Tracking Non-Data-Aided Frequency Offset Estimator for QAM Optical Coherent Receivers. IEICE Trans. Commun. Tadao Nakagawa, Takayuki Kobayashi, Koichi Ishihara, Yutaka Miyamoto
2015	—	`conf`	Adaptive MIMO equalization for few-mode fiber transmission with various differential mode delays. ECOC D. Lee, Kohki Shibahara, Takayuki Kobayashi, Takayuki Mizuno, Hidehiko Takara, Akihide Sano, Hiroto Kawakami, T. Nakagawa, Yutaka Miyamoto
2015	—	`conf`	Dense SDM (12-core × 3-mode) transmission over 527 km with 33.2-ns mode-dispersion employing low-complexity parallel MIMO frequency-domain equalization. OFC Kohki Shibahara, Takayuki Mizuno, Hidehiko Takara, Akihide Sano, H. Kawakami, D. Lee, Yutaka Miyamoto, Hirotaka Ono, Manabu Oguma, Yoshiteru Abe, Takayuki Kobayashi, Takashi Matsui, Ryohei Fukumoto, Yoshimichi Amma, T. Hosokawa, S. Matsuo, Kunimasa Saitoh, H. Nasu, Toshio Morioka
2015	—	`conf`	Formulation of Relationship Between Productivity and Energy Consumption in Manufacturing System. APMS (1) Takayuki Kobayashi, Makoto Yamaguchi, Hironori Hibino
2015	C	`conf`	Optical DP-high order-QAM transmission system for high-speed short links utilizing copropagating twin local lights. APCC Hiroto Kawakami, Yutaka Miyamoto, Takayuki Kobayashi
2015	—	`conf`	WDM passive optical network managed with embedded pilot tone for mobile fronthaul. ECOC Kazuaki Honda, Takayuki Kobayashi, Tatsuya Shimada, Jun Terada, Akihiro Otaka
2014	—	`conf`	12-core × 3-mode dense space division multiplexed transmission over 40 km employing multi-carrier signals with parallel MIMO equalization. OFC Takayuki Mizuno, Takayuki Kobayashi, Hidehiko Takara, Akihide Sano, Hiroto Kawakami, T. Nakagawa, Yutaka Miyamoto, Yoshiteru Abe, T. Goh, Manabu Oguma, Taiji Sakamoto, Yusuke Sasaki, Itaru Ishida, Katsuhiro Takenaga, Shoichiro Matsuo, Kunimasa Saitoh, Toshio Morioka
2014	—	`conf`	Modal crosstalk measurement based on intensity tone for few-mode fiber transmission systems. OFC Takayuki Mizuno, Hidehiko Takara, Manabu Oguma, Takayuki Kobayashi, Yutaka Miyamoto
2014	—	`conf`	Petabit/s transmission using multicore fibers. OFC Akihide Sano, Hidehiko Takara, Takayuki Kobayashi, Yutaka Miyamoto
2013	—	`conf`	First demonstration of multi-span transmission using phase and amplitude regeneration in PPLN-based PSA. OFC/NFOEC Takeshi Umeki, Masaki Asobe, H. Takara, Takayuki Kobayashi, Hirokazu Kubota, Hirokazu Takenouchi, Yutaka Miyamoto
2011	J	`jnl`	A Band-Divided Receiver Prototype for Wideband Optical Signals. IEICE Trans. Commun. Munehiro Matsui, Riichi Kudo, Yasushi Takatori, Tadao Nakagawa, Koichi Ishihara, Masato Mizoguchi, Takayuki Kobayashi, Yutaka Miyamoto
2011	J	`jnl`	Ultra-High Capacity Optical Transmission Technologies for 100 Tbit/s Optical Transport Networks. IEICE Trans. Commun. Akihide Sano, Takayuki Kobayashi, Eiji Yoshida, Yutaka Miyamoto
2009	J	`jnl`	Frequency-Domain Equalization for Coherent Optical Single-Carrier Transmission Systems. IEICE Trans. Commun. Koichi Ishihara, Takayuki Kobayashi, Riichi Kudo, Yasushi Takatori, Akihide Sano, Yutaka Miyamoto
2004	—	`conf`	Motion Planning Approach of a Multi-Fingered Robot for Carton Folding Operations. ICINCO (2) Hidetsugu Terada, Takayuki Kobayashi
1989	J	`jnl`	An experimental 16-Mbit CMOS DRAM chip with a 100-MHz serial read/write mode. IEEE J. Solid State Circuits Shigeyoshi Watanabe, Yukihito Oowaki, Yasuo Itoh, Koji Sakui, Kenji Numata, Tsuneaki Fuse, Takayuki Kobayashi, Kenji Tsuchida, Masahiko Chiba, Takahiko Hara, Masako Ohta, Fumio Horiguchi, Katsuhiko Hieda, Akihiro Nitayama, Takeshi Hamamoto, Kazunori Ohuchi, Fujio Masuoka