Hitoshi Wakita

According to our database, Hitoshi Wakita authored at least 31 papers between 2015 and 2024.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

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

Proceedings of the Optical Fiber Communications Conference and Exhibition, 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, Yutaka Miyamoto

Proceedings of the Optical Fiber Communications Conference and Exhibition, 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, Hiroshi Yamazaki, Hiroyuki Takahashi, Yutaka Miyamoto

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2024

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, Chenxin Liu, Ashbir Aviat Fadila, Jian Pang, Atsushi Shirane, Kenichi Okada, Hiroyuki Takahashi

Proceedings of the IEEE BiCMOS and Compound Semiconductor Integrated Circuits and Technology Symposium, 2024

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

Proceedings of the Optical Fiber Communications Conference and Exhibition, 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

Proceedings of the IEEE BiCMOS and Compound Semiconductor Integrated Circuits and Technology Symposium, 2023

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

Proceedings of the IEEE BiCMOS and Compound Semiconductor Integrated Circuits and Technology Symposium, 2023

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

Proceedings of the Optical Fiber Communications Conference and Exhibition, 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

Proceedings of the Optical Fiber Communications Conference and Exhibition, 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, Hiroyuki Takahashi, Yutaka Miyamoto

Proceedings of the IEEE Custom Integrated Circuits Conference, 2022

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, Atsushi Shirane, Hiroyuki Takahashi

Proceedings of the 2022 IEEE BiCMOS and Compound Semiconductor Integrated Circuits and Technology Symposium, 2022

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

Proceedings of the European Conference on Optical Communication, 2021

An Over 130-GHz-Bandwidth InP-DHBT Baseband Amplifier Module.

Teruo Jyo, Munehiko Nagatani, Miwa Mutoh, Yuta Shiratori, Hitoshi Wakita, Hiroyuki Takahashi

Proceedings of the IEEE BiCMOS and Compound Semiconductor Integrated Circuits and Technology Symposium, 2021

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

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

Proceedings of the Optical Fiber Communications Conference and Exhibition, 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, Hideyuki Nosaka, Fumio Koyama, Yutaka Miyamoto, Shinji Matsuo

Proceedings of the Optical Fiber Communications Conference and Exhibition, 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

Proceedings of the European Conference on Optical Communications, 2020

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

Proceedings of the IEEE BiCMOS and Compound Semiconductor Integrated Circuits and Technology Symposium, 2020

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

Proceedings of the 2019 24th OptoElectronics and Communications Conference (OECC) and 2019 International Conference on Photonics in Switching and Computing (PSC), 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, Nobuhiro Nunoya, Minoru Ida, Yutaka Miyamoto, Mitsuteru Ishikawa

Proceedings of the Optical Fiber Communications Conference and Exhibition, 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

Proceedings of the Optical Fiber Communications Conference and Exhibition, 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

Proceedings of the Optical Fiber Communications Conference and Exhibition, 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

Proceedings of the Optical Fiber Communications Conference and Exhibition, 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, Shinji Matsuo

Proceedings of the Optical Fiber Communications Conference and Exhibition, 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

Proceedings of the Optical Fiber Communications Conference and Exhibition, 2019

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

Proceedings of the 2019 IEEE BiCMOS and Compound semiconductor Integrated Circuits and Technology Symposium (BCICTS), 2019

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, Hiromasa Tanobe, Nobuhiro Nunoya, Minoru Ida, Yutaka Miyamoto, Nobuhiro Kikuchi

Proceedings of the Optical Fiber Communications Conference and Exposition, 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

Proceedings of the Optical Fiber Communications Conference and Exposition, 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

Proceedings of the European Conference on Optical Communication, 2018

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

Proceedings of the 2018 IEEE BiCMOS and Compound Semiconductor Integrated Circuits and Technology Symposium (BCICTS), 2018

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