64 GBaud high-bandwidth micro intradyne coherent receiver using high-efficiency and high-speed InP-based photodetector integrated with 90° hybrid. - Masaru Takechi; Yoshihiro Tateiwa; Munetaka Kurokawa; Yasushi Fujimura; Hideki Yagi; Yoshihiro Yoneda (OFC, 2017)

InP-Based Photodetectors Monolithically Integrated with 90° Hybrid toward Over 400Gb/s Coherent Transmission Systems. - Hideki Yagi; Takuya Okimoto; Naoko Inoue; Koji Ebihara; Kenji Sakurai; Munetaka Kurokawa; Satoru Okamoto; Kazuhiko Horino; Tatsuya Takeuchi; Kouichiro Yamazaki; Yoshifumi Nishimoto; Yasuo Yamasaki; et al. (IEICE Trans. Electron., 2019)

High Optical Output Power and High-responsivity IC-TROSA for 800 Gbps applications. - Munetaka Kurokawa; Kenichi Nakayama; Masaru Takechi; Yasutaka Mizuno; Taichi Misawa; Eiichi Banno; Hiroshi Uemura; Yoshiyuki Sugimoto; Seiji Kumagai; Takuya Okimoto; Naoya Kono; Tsutomu Ishikawa; et al. (ECOC, 2021)

A Shunt-Feedback TIA with Common-Base Variable Gain Input Stage for 128-GBaud Coherent Communication. - Seiji Kumagai; Yoshiyuki Sugimoto; Hiroshi Uemura; Munetaka Kurokawa; Naoki Itabashi; Masaru Takechi; Takuya Okimoto; Keiji Tanaka (BCICTS, 2023)

A 19-dB Peaking at 72-GHz and 4.1-Vppd Output Swing SiGe BiCMOS Linear Driver with Dynamic Cascode Output Buffer. - Hiroshi Uemura; Taichi Misawa; Naoki Itabashi; Munetaka Kurokawa; Yoshiyuki Sugimoto; Seiji Kumagai; Masaru Takechi; Keiji Tanaka (BCICTS, 2023)

Low Insertion Loss 128-Gbaud HB-CDM with 3D-Printed Spot Size Converter Integrated InP-based Modulator. - Yasutaka Mizuno; Munetaka Kurokawa; Naoki Itabashi; Taichi Misawa; Masaru Takechi; Hiroshi Uemura; Hajime Tanaka 002; Tsutomu Ishikawa; Tomoya Saeki; Keiji Tanaka; Takatoshi Kato; Manabu Shiozaki; et al. (OFC, 2023)

80-GHz Bandwidth and High Responsivity of InP Coherent Receiver PIC with Butt-joint waveguide PDs. - Takuya Okimoto; Hideki Yagi; Ken Ashizawa; Kouichiro Yamazaki; Koji Ebihara; Satoru Okamoto; Kazuhiko Horino; Munetaka Kurokawa; Yoshiyuki Sugimoto; Seiji Kumagai; Keiji Tanaka; Masaru Takechi; et al. (OFC, 2023)

InP-based Optical Devices Integrated on Silicon Photonic Circuits. - Takuya Okimoto; Naoki Fujiwara; Naoko Inoue; Takuo Hiratani; Takehiko Kikuchi; Takuya Mitarai; Munetaka Kurokawa; Hajime Tanaka 002; Hidenari Fujikata; Tohma Watanabe; Toshiyuki Nitta; Nobuhiko Nishiyama; et al. (OFC, 2024)