Recent Research and Development of 2-μM Laser for Future Space-Based Doppler Wind Lidar in Japan. - Shoken Ishii; Atsushi Sato; Makoto Aoki; Koichi Akahane; Atsushi Matsumoto; Shigeo Nagano; Katsuhiro Nakagawa (IGARSS, 2019)

Temperature-Insensitive pulse and 120℃ CW Operation of 1550nm-Band p-doped InAs/InGaAlAs Quantum Dot Lasers on InP(311)B Substrate. - Ryota Yabuki; Atsushi Matsumoto; Ryumi Katsuhara; Siim Heinsalu; Koichi Akahane; Yuichi Matsushima; Hiroshi Ishikawa; Katsuyuki Utaka (OFC, 2023)

Low Threshold and 10kHz-Class Narrow Linewidth 1.55 µm-Band Quantum Dot Laser Diode on InP(311)B Substrate. - Atsushi Matsumoto; Ryota Yabuki; Shinya Nakajima; Toshimasa Umezawa; Siim Heinsalu; Yuichi Matsushima; Koichi Akahane; Naokatsu Yamamoto; Katsuyuki Utaka (OFC, 2024)

16 A/W, DC-200 GHz Ultra-Broadband Photoreceiver Module for High Baud Rate Small Signal Detection. - Toshimasa Umezawa; S. Nakajima; A. Matsumoto; Koichi Akahane; Atsushi Kanno; N. Yamamoto (OFC, 2025)