A Ternary Analog-to-Digital Converter System. - Tomoki Tanoue; Munehiko Nagatani; Takao Waho (ISMVL, 2007)

A 24-GS/s 6-bit R-2R Current-Steering DAC in InP HBT Technology. - Munehiko Nagatani; Hideyuki Nosaka; Shogo Yamanaka; Kimikazu Sano; Koichi Murata (IEICE Trans. Electron., 2010)

Ultrahigh-Speed Low-Power DACs Using InP HBTs for Beyond-100-Gb/s/ch Optical Transmission Systems. - Munehiko Nagatani; Hideyuki Nosaka; Shogo Yamanaka; Kimikazu Sano; Koichi Murata (IEEE J. Solid State Circuits, 2011)

A low-power wideband InP-HBT 27-1 PRBS generator. - Yves Bouvier; Kimikazu Sano; Munehiko Nagatani; Koichi Murata; Kenji Kurishima; Minoru Ida (IEICE Electron. Express, 2012)

High ESD Breakdown-Voltage InP HBT Transimpedance Amplifier IC for Optical Video Distribution Systems. - Kimikazu Sano; Munehiko Nagatani; Miwa Mutoh; Koichi Murata (IEICE Trans. Electron., 2012)

160-Gbps Nyquist PAM4 transmitter using a digital-preprocessed analog-multiplexed DAC. - Hiroshi Yamazaki; Munehiko Nagatani; Shigeru Kanazawa; Hideyuki Nosaka; Toshikazu Hashimoto; Akihide Sano; Yutaka Miyamoto (ECOC, 2015)

5 × 1-Tb/s PDM-16QAM transmission over 1, 920 km using high-speed InP MUX-DAC integrated module. - Akihide Sano; Munehiko Nagatani; Hideyuki Nosaka; Yutaka Miyamoto (OFC, 2015)

28 Gbaud 16-QAM modulation with compact driver module for InP MZM. - Hitoshi Wakita; Munehiko Nagatani; Shigeru Kanazawa; Toshihiro Itoh; Eiichi Yamada; Hiroyuki Ishii; Hideyuki Nosaka (IEICE Electron. Express, 2015)

High-performance compound-semiconductor integrated circuits for advanced digital coherent optical communications systems. - Munehiko Nagatani; Hideyuki Nosaka (IEICE Electron. Express, 2016)

An InP-Based 27-GHz-Bandwidth Limiting TIA IC Designed to Suppress Undershoot and Ringing in Its Output Waveform. - Hiroyuki Fukuyama; Michihiro Hirata; Kenji Kurishima; Minoru Ida; Masami Tokumitsu; Shogo Yamanaka; Munehiko Nagatani; Toshihiro Itoh; Kimikazu Sano; Hideyuki Nosaka; Koichi Murata (IEICE Trans. Electron., 2016)

Experimental Demonstration of Simplified Adaptive Equalizer for Fractionally Sampled 120-GBaud Signal. - Fukutaro Hamaoka; Seiji Okamoto; Masanori Nakamura; Asuka Matsushita; Takayuki Kobayashi; Hiroshi Yamazaki; Munehiko Nagatani; Yoshiaki Kisaka; Akira Hirano; Yutaka Miyamoto (ECOC, 2017)

High Baud Rate Signal Transmission with Coded Multi-dimensional Modulation. - Masanori Nakamura; Fukutaro Hamaoka; Asuka Matsushita; Hiroshi Yamazaki; Munehiko Nagatani; Akira Hirano; Yutaka Miyamoto (ECOC, 2017)

A 180-mW Linear MZM Driver in CMOS for Single-Carrier 400-Gb/s Coherent Optical Transmitter. - Shinsuke Nakano; Munehiko Nagatani; Kenji Tanaka; Yoshihiro Ogiso; Josuke Ozaki; Hiroshi Yamazaki; Hideyuki Nosaka (ECOC, 2017)

Ultra-Wideband Digital-to-Analog Conversion Technologies for Tbit/s channel transmission. - Hiroshi Yamazaki; Munehiko Nagatani; Fukutaro Hamaoka; Shigeru Kanazawa; Hideyuki Nosaka; Toshikazu Hashimoto; Yutaka Miyamoto (ECOC, 2017)

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. - Takayuki Kobayashi; Masanori Nakamura; Fukutaro Hamaoka; Kohki Shibahara; Takayuki Mizuno; Akihide Sano; H. Kawakami; Akira Isoda; Munehiko Nagatani; Hiroshi Yamazaki; Yutaka Miyamoto; Yoshimichi Amma; et al. (OFC, 2017)

120-GBaud coded 8 dimensional 16QAM WDM transmission using low-complexity iterative decoding based on bit-wise log likelihood ratio. - Masanori Nakamura; Fukutaro Hamaoka; Asuka Matsushita; Hiroshi Yamazaki; Munehiko Nagatani; Akihide Sano; Akira Hirano; Yutaka Miyamoto (OFC, 2017)

A 256-Gbps PAM-4 Signal Generator IC in 0.25-µm InP DHBT Technology. - Munehiko Nagatani; Hitoshi Wakita; Teruo Jyo; Miwa Mutoh; Minoru Ida; Sorin P. Voinigescu; Hideyuki Nosaka (BCICTS, 2018)

Transmission of 400-Gbps Discrete Multi-Tone Signal Using >100-GHz-Bandwidth Analog Multiplexer and InP Mach-Zehnder Modulator. - Hiroshi Yamazaki; Munehiko Nagatani; Hitoshi Wakita; Yoshihiro Ogiso; Masanori Nakamura; Minoru Ida; Toshikazu Hashimoto; Hideyuki Nosaka; Yutaka Miyamoto (ECOC, 2018)

A 137-mW, 4 ch × 25-Gbps Low-Power Compact Transmitter Flip-Chip-Bonded 1.3-μm LD-Array-on-Si. - Toshiki Kishi; Munehiko Nagatani; Shigeru Kanazawa; Shinsuke Nakano; Hiroaki Katsurai; Takuro Fujii; Hidetaka Nishi; Takaaki Kakitsuka; Koichi Hasebe; Kota Shikama; Yuko Kawajiri; Atsushi Aratake; et al. (OFC, 2018)

96-Gbaud PDM-8QAM Single Channel Transmission over 9, 600 km by Nonlinear Tolerance Enhancement using PPLN-based Optical Phase Conjugation. - Takayuki Kobayashi; Takeshi Umeki; Ryoichi Kasahara; Hiroshi Yamazaki; Munehiko Nagatani; Hitoshi Wakita; Hirokazu Takenouchi; Yutaka Miyamoto (OFC, 2018)

Advanced DSP Technologies with Symbol-rate over 100-Gbaud for High-capacity Optical Transport Network. - Masanori Nakamura; Fukutaro Hamaoka; Asuka Matsushita; Hiroshi Yamazaki; Munehiko Nagatani; Takayuki Kobayashi; Yoshiaki Kisaka; Yutaka Miyamoto (OFC, 2018)

Ultra-High Bandwidth InP IQ Modulator co-assembled with Driver IC for Beyond 100-GBd CDM. - Yoshihiro Ogiso; Hitoshi Wakita; Munehiko Nagatani; Hiroshi Yamazaki; Masanori Nakamura; Takayuki Kobayashi; Johsuke Ozaki; Yuta Ueda; S. Nakano; Shigeru Kanazawa; Takuro Fujii; Yasuaki Hashizume; et al. (OFC, 2018)

A 110-GHz-Bandwidth 2: 1 AMUX-Driver using 250-nm InP DHBTs for Beyond-1-Tb/s/carrier Optical Transmission Systems. - Munehiko Nagatani; Yutaka Miyamoto; Hideyuki Nosaka; Hitoshi Wakita; Yoshihiro Ogiso; Hiroshi Yamazaki; Miwa Mutoh; Minoru Ida; Fukutaro Hamaoka; Masanori Nakamura; Takayuki Kobayashi (BCICTS, 2019)

120-GBaud 32QAM Signal Generation using Ultra-Broadband Electrical Bandwidth Doubler. - Fukutaro Hamaoka; Masanori Nakamura; Munehiko Nagatani; Takayuki Kobayashi; Asuka Matsushita; Hitoshi Wakita; Hiroshi Yamazaki; Hideyuki Nosaka; Yutaka Miyamoto (OFC, 2019)

A 25-Gbps × 4 ch, Low-Power Compact Wire-Bond-Free 3D-Stacked Transmitter Module with 1.3-μm LD-Array-on-Si for On-Board Optics. - Toshiki Kishi; Hitoshi Wakita; Kota Shikama; Munehiko Nagatani; Shigeru Kanazawa; Takuro Fujii; Hidetaka Nishi; Hiroshi Ishikawa; Yuko Kawajiri; Atsushi Aratake; Hideyuki Nosaka; Hiroshi Fukuda; et al. (OFC, 2019)

35-Tb/s C-Band Transmission Over 800 km Employing 1-Tb/s PS-64QAM Signals Enhanced by Complex 8 × 2 MIMO Equalizer. - Takayuki Kobayashi; Masanori Nakamura; Fukutaro Hamaoka; Munehiko Nagatani; Hitoshi Wakita; Hiroshi Yamazaki; Takeshi Umeki; Hideyuki Nosaka; Yutaka Miyamoto (OFC, 2019)

192-Gbaud Signal Generation using Ultra-Broadband Optical Frontend Module Integrated with Bandwidth Multiplexing Function. - Masanori Nakamura; Fukutaro Hamaoka; Munehiko Nagatani; Yoshihiro Ogiso; Hitoshi Wakita; Hiroshi Yamazaki; Takayuki Kobayashi; Minoru Ida; Hideyuki Nosaka; Yutaka Miyamoto (OFC, 2019)

1.04 Tbps/Carrier Probabilistically Shaped PDM-64QAM WDM Transmission Over 240 km Based on Electrical Spectrum Synthesis. - Masanori Nakamura; Fukutaro Hamaoka; Munehiko Nagatani; Hiroshi Yamazaki; Takayuki Kobayashi; Asuka Matsushita; Seiji Okamoto; Hitoshi Wakita; Hideyuki Nosaka; Yutaka Miyamoto (OFC, 2019)

Ultra-High Bandwidth InP IQ Modulator for Beyond 100-GBd Transmission. - Yoshihiro Ogiso; Josuke Ozaki; Yuta Ueda; Hitoshi Wakita; Munehiko Nagatani; Hiroshi Yamazaki; Masanori Nakamura; Takayuki Kobayashi; Shigeru Kanazawa; Takuro Fujii; Yasuaki Hashizume; Hiromasa Tanobe; et al. (OFC, 2019)

Digital-Preprocessed Analog-Multiplexed DAC for High-Speed Optical Communications. - Hiroshi Yamazaki; Munehiko Nagatani; Hitoshi Wakita; Masanori Nakamura; Fukutaro Hamaoka; Takayuki Kobayashi; Yoshihiro Ogiso; Minoru Ida; Toshikazu Hashimoto; Hideyuki Nosaka; Yutaka Miyamoto (OECC/PSC, 2019)

An over 220-GHz-Bandwidth Distributed Active Power Combiner in 250-nm InP DHBT. - Teruo Jyo; Munehiko Nagatani; Minoru Ida; Miwa Mutoh; Hitoshi Wakita; Naoki Terao; Hideyuki Nosaka (BCICTS, 2020)

Ultra-wideband Optical Receiver Using Electrical Spectrum Decomposition Technique. - Fukutaro Hamaoka; Masahito Nakamura; Munehiko Nagatani; Hitoshi Wakita; Takayuki Kobayashi; Hiroshi Yamazaki; Hideyuki Nosaka; Yutaka Miyamoto (ECOC, 2020)

12.3 A 48GHz BW 225mW/ch Linear Driver IC with Stacked Current-Reuse Architecture in 65nm CMOS for Beyond-400Gb/s Coherent Optical Transmitters. - Teruo Jyo; Munehiko Nagatani; Josuke Ozaki; Mitsuteru Ishikawa; Hideyuki Nosaka (ISSCC, 2020)

Net 321.24-Gb/s IMDD Transmission Based on a >100-GHz Bandwidth Directly-Modulated Laser. - Nikolaos-Panteleimon Diamantopoulos; Hiroshi Yamazaki; Suguru Yamaoka; Munehiko Nagatani; Hidetaka Nishi; Hiromasa Tanobe; Ryo Nakao; Takuro Fujii; Koji Takeda; Takaaki Kakitsuka; Hitoshi Wakita; Minoru Ida; et al. (OFC, 2020)

A 0.57-mW/Gbps, 2ch × 53-Gbps Low-Power PAM4 Transmitter Front-End Flip-Chip-Bonded 1.3-µm LD-Array-on-Si. - Toshiki Kishi; Munehiko Nagatani; Shigeru Kanazawa; Kota Shikama; Takuro Fujii; Hidetaka Nishi; Hiroshi Yamazaki; Norio Sato; Hideyuki Nosaka; Shinji Matsuo (OFC, 2020)

Long-Haul WDM Transmission with Over-1-Tb/s Channels using Electrically Synthesized High-Symbol-Rate Signals. - Takayuki Kobayashi; Masanori Nakamura; Fukutaro Hamaoka; Munehiko Nagatani; Hiroshi Yamazaki; Hideyuki Nosaka; Yutaka Miyamoto (OFC, 2020)

Wideband Inline-Amplified WDM Transmission using PPLN-Based OPA with Over-10-THz Bandwidth. - Takayuki Kobayashi; Shimpei Shimizu; Masahito Nakamura; Takeshi Umeki; Takushi Kazama; Ryoichi Kasahara; Fukutaro Hamaoka; Munehiko Nagatani; Hiroshi Yamazaki; Takayuki Mizuno; Hideyuki Nosaka; Yutaka Miyamoto (OFC, 2020)

Entropy and Symbol-Rate Optimized 120 GBaud PS-36QAM Signal Transmission over 2400 km at Net-Rate of 800 Gbps/λ. - Masanori Nakamura; Takayuki Kobayashi; Hiroshi Yamazaki; Fukutaro Hamaoka; Munehiko Nagatani; Hitoshi Wakita; Hideyuki Nosaka; Yutaka Miyamoto (OFC, 2020)

Silicon Photonics Coherent Optical Subassembly with EO and OE Bandwidths of over 50 GHz. - Shogo Yamanaka; Y. Ikuma; Toshihiro Itoh; Yuriko Kawamura; Kiyofumi Kikuchi; Y. Kurata; Makoto Jizodo; Teruo Jyo; S. Soma; Masayuki Takahashi; Ken Tsuzuki; Munehiko Nagatani; et al. (OFC, 2020)

A Beyond-1-Tb/s Coherent Optical Transmitter Front-End Based on 110-GHz-Bandwidth 2: 1 Analog Multiplexer in 250-nm InP DHBT. - Munehiko Nagatani; Hitoshi Wakita; Hiroshi Yamazaki; Yoshihiro Ogiso; Miwa Mutoh; Minoru Ida; Fukutaro Hamaoka; Masanori Nakamura; Takayuki Kobayashi; Yutaka Miyamoto; Hideyuki Nosaka (IEEE J. Solid State Circuits, 2020)

An Over 130-GHz-Bandwidth InP-DHBT Baseband Amplifier Module. - Teruo Jyo; Munehiko Nagatani; Miwa Mutoh; Yuta Shiratori; Hitoshi Wakita; Hiroyuki Takahashi (BCICTS, 2021)

High Symbol-Rate Signal Optimization for Long-Haul Transmission Systems over 1-Tbps/λ Net-Data Rate. - Masanori Nakamura; Fukutaro Hamaoka; Takayuki Kobayashi; Hiroshi Yamazaki; Munehiko Nagatani; Yoshihiro Ogiso; Hitoshi Wakita; Yutaka Miyamoto (ECOC, 2021)

F6: Optical and Electrical Transceivers for 400GbE and Beyond. - Tony Chan Carusone; Sudip Shekhar; Yohan Frans; Wei-Zen Chen; Thomas Toifl; Munehiko Nagatani; Franz Dielacher; William Redman-White (ISSCC, 2021)

F4: Electronics for a Quantum World. - Edoardo Charbon; Alicia Klinefelter; Massimo Alioto; Yao-Hong Liu; Munehiko Nagatani; Arijit Raychowdhury; Andreia Cathelin; Boris Murmann (ISSCC, 2021)

Session 19 Overview: Optical Systems for Emerging Applications Technology Directions Subcommittee. - Munehiko Nagatani; Nick Van Helleputte; Naveen Verma (ISSCC, 2021)

A 220-294 GHz Power Amplifier with 10-dBm Psat and 2.2% PAE in 250-nm InP DHBT. - Teruo Jyo; Hiroshi Hamada; Munehiko Nagatani; Hitoshi Wakita; Ibrahim Abdo; Miwa Mutoh; Yuta Shiratori; Kenichi Okada 001; Atsushi Shirane; Hiroyuki Takahashi (BCICTS, 2022)

110-GHz-Bandwidth InP-HBT AMUX/ADEMUX Circuits for Beyond-1-Tb/s/ch Digital Coherent Optical Transceivers. - Munehiko Nagatani; Hitoshi Wakita; Teruo Jyo; Tsutomu Takeya; Hiroshi Yamazaki; Yoshihiro Ogiso; Miwa Mutoh; Yuta Shiratori; Minoru Ida; Fukutaro Hamaoka; Masanori Nakamura; Takayuki Kobayashi; et al. (CICC, 2022)

Experimental Investigation of Influence of SOA-Induced Nonlinear Distortion on High-Symbol-Rate 168-GBaud Signal for Achieving Ultra-Broadband Optical Frontend. - Fukutaro Hamaoka; Masanori Nakamura; Takayuki Kobayashi; Munehiko Nagatani; Hitoshi Wakita; Hiroshi Yamazaki; Yoshihiro Ogiso; Yoshiaki Kisaka (OFC, 2022)

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. - Takayuki Kobayashi; Shimpei Shimizu; Masanori Nakamura; Takeshi Umeki; Takushi Kazama; Junji Yoshida; Shigehiro Takasaka; Yasuto Tatamida; Hiroto Kawakami; Fukutaro Hamaoka; Munehiko Nagatani; Hiroshi Yamazaki; et al. (OFC, 2022)

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. - Masanori Nakamura; Takeo Sasai; Kohei Saito; Fukutaro Hamaoka; Takayuki Kobayashi; Hiroshi Yamazaki; Munehiko Nagatani; Yoshihiro Ogiso; Hitoshi Wakita; Yoshiaki Kisaka (OFC, 2022)

A DC-to-150-GHz InP-DHBT Active Combiner Module for Ultra-Broadband Signal Generation. - Teruo Jyo; Munehiko Nagatani; Miwa Mutoh; Yuta Shiratori; Hitoshi Wakita; Hiroyuki Takahashi (BCICTS, 2023)

Quad-Channel 100-GHz-Bandwidth InP- HBT-Based Linear Amplifier Module for High Symbol Rate Communications. - Hitoshi Wakita; Teruo Jyo; Munehiko Nagatani; Hiroyuki Takahashi (BCICTS, 2023)

30-Gbps/ch x 4 ch Simultaneous Error-Free Transmission with A Low-Power Transmitter Flip-Chip-Bonded 1.3-μm LD-Array-on-Si. - Toshiki Kishi; Munehiko Nagatani; Shigeru Kanazawa; Kota Shikama; Takuro Fujii; Hidetaka Nishi; Tadashi Minotani; Norio Sato; Toru Segawa; Shinji Matsuo (OFC, 2023)

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. - Takayuki Kobayashi; Shimpei Shimizu; Masanori Nakamura; Takushi Kazama; Masashi Abe; Takeshi Umeki; Akira Kawai; Fukutaro Hamaoka; Munehiko Nagatani; Hiroshi Yamazaki; Yutaka Miyamoto (OFC, 2023)

Beyond 200-GBd QAM Signal Detection Based on Trellis-path-limited Sequence Estimation Supporting Soft-decision Forward Error Correction. - Masanori Nakamura; Hiroki Taniguchi; Shuto Yamamoto; Fukutaro Hamaoka; Munehiko Nagatani; Teruo Jyo; Miwa Mutoh; Yuta Shiratori; Hitoshi Wakita; Takayuki Kobayashi; Hiroyuki Takahashi; Yutaka Miyamoto (OFC, 2023)

300-GHz-Band InP HBT Power Amplifier and InP-CMOS Hybrid Phased-Array Transmitter. - Teruo Jyo; Ibrahim Abdo; Hiroshi Hamada; Munehiko Nagatani; Adam Pander; Hitoshi Wakita; Miwa Mutoh; Yuta Shiratori; Daisuke Kitayama; Carrel da Gomez; Chun Wang; Kota Hatano; et al. (BCICTS, 2024)

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. - Takayuki Kobayashi; Shimpei Shimizu; Akira Kawai; Masanori Nakamura; Masashi Abe; Takushi Kazama; Takeshi Umeki; Munehiko Nagatani; Kosuke Kimura; Hitoshi Wakita; Yuta Shiratori; Fukutaro Hamaoka; et al. (OFC, 2024)

AMUX-based Bandwidth Tripler with Time-interleaved Nonlinear Digital Pre-distortion Enabling 216-GBd PS-PAM8 Signal. - Masanori Nakamura; Munehiko Nagatani; Hiroshi Yamazaki; Teruo Jyo; Miwa Mutoh; Yuta Shiratori; Hitoshi Wakita; Hiroki Taniguchi; Shuto Yamamoto; Fukutaro Hamaoka; Takayuki Kobayashi; Hiroyuki Takahashi; et al. (OFC, 2024)

100-GHz-bandwidth InP-based On-board Coherent Tx Front-end enabling 2-Tb/s/λ Optical Transmission. - Hitoshi Wakita; Munehiko Nagatani; Yoshihiro Ogiso; Masanori Nakamura; Fukutaro Hamaoka; Yuta Shiratori; Takayuki Kobayashi; Yutaka Miyamoto; Hiroyuki Takahashi (OFC, 2024)

42-Gbps/ch x 4 ch Simultaneous Error-Free Operation with Low-Power Transmitter Flip-Chip-Bonded 1.3-μm LD-Array-on-Si. - Toshiki Kishi; Munehiko Nagatani; Shigeru Kanazawa; Takuro Fujii; Hidetaka Nishi; Tadashi Minotani; Norio Sato; Tomonari Sato; Shinji Matsuo (OFC, 2025)

628 Gb/s Net Bitrate IMDD Transmission Using Ultra-broadband InP-DHBT-based Electrical Mixer with Upper-sideband Gain-enhanced Mode. - Masanori Nakamura; Teruo Jyo; Munehiko Nagatani; Hitoshi Wakita; Miwa Mutoh; Yuta Shiratori; Hiroki Taniguchi; Shuto Yamamoto; Fukutaro Hamaoka; Etsushi Yamazaki; Takayuki Kobayashi; Hiroyuki Takahashi; et al. (OFC, 2025)

Full C-band 3317-km 12-Coupled-Core-Fiber Transmission with 266.2-Tbps Capacity Using Field-Installed Fiber-Optic Cable. - Kohki Shibahara; Akira Kawai; Megumi Hoshi; Masanori Nakamura; Takayuki Kobayashi; Ryota Imada; Takayoshi Mori; Taiji Sakamoto; Yusuke Yamada; Kazuhide Nakajima; Munehiko Nagatani; Hitoshi Wakita; et al. (OFC, 2025)

27-THz ISRS-Supported Transmission Over 1040 km in S+C+L+U and Extreme Longer-Wavelength Band. - Shimpei Shimizu; Kosuke Kimura; Akira Kawai; Masashi Abe; Shunya Konno; Takushi Kazama; Masanori Nakamura; Fukutaro Hamaoka; Koji Enbutsu; Takahiro Kashiwazaki; Munehiko Nagatani; Hitoshi Wakita; et al. (OFC, 2025)