A Compact 212.5-Gbit/s Transmitter Optical Sub-Assembly with DMLs and Quad Linear Driver. - Naoki Itabashi; Yoshiyuki Sugimoto; Yasushi Fujimura; Keiji Tanaka; Shoichi Ogita (OFC, 2018)

25.78-Gbit/s Burst-mode Receiver for 50G-EPON OLT. - Naruto Tanaka; Daisuke Umeda; Yoshiyuki Sugimoto; Tomoyuki Funada; Keiji Tanaka; Shoichi Ogita (OFC, 2020)

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 Low-power, 128-Gbit/s, DC-coupled linear driver IC for Electro-absorption Modulated DFB Laser. - Taichi Misawa; Yoshiyuki Sugimoto; Keiji Tanaka (OFC, 2022)

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)

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)