A 4×25 Gbps hybrid integrated EML module for 100 GbE transmitters using lens positional control by laser irradiation. - Tadashi Murao; Nobuyuki Yasui; Keita Mochizuki; Masaya Shimono; Hidekazu Kodera; Takeshi Yamatoya; Hiroshi Aruga (OFC/NFOEC, 2013)

A miniaturized 43 Gbps EML TOSA employing impedance matched FPC connection. - Mizuki Shirao; Nobuo Ohata; Tetsuhiro Fukao; Tatsuo Hatta; Hiroshi Aruga (OFC/NFOEC, 2013)

Four-Channel Integrated Receiver with a Built-In Spatial Demultiplexer Optics for 100 Gb/s Ethernet. - Keita Mochizuki; Hiroshi Aruga; Hiromitsu Itamoto; Keitaro Yamagishi; Yuichiro Horiguchi; Satoshi Nishikawa; Ryota Takemura; Masaharu Nakaji; Atsushi Sugitatsu (IEICE Trans. Electron., 2013)

Tunable 16 DFB laser array with unequally spaced passive waveguides for backside wavelength monitor. - Y. Sasahata; K. Matsumoto; T. Nagira; H. Sakuma; K. Kishimoto; M. Suzuki; D. Suzuki; Yuichiro Horiguchi; M. Takabayashi; Keita Mochizuki; M. Gotoda; Hiroshi Aruga; et al. (OFC, 2014)

Wavelength-tunable dual-output laser module with rear-side wavelength monitor for micro-ITLA. - K. Mochizuki; Y. Ueno; K. Hasegawa; F. Hirose; S. Kajiya; Masamichi Nogami; Hiroshi Aruga (ECOC, 2015)

Assembly Technologies for Integrated Transmitter/Receiver Optical Sub-Assembly Modules. - Keita Mochizuki; Tadashi Murao; Mizuki Shirao; Yoshiyuki Kamo; Nobuyuki Yasui; Takahiro Yoshimoto; Daisuke Echizenya; Masaya Shimono; Hidekazu Kodera; Masamichi Nogami; Hiroshi Aruga (IEICE Trans. Electron., 2017)

Recent Progress with Next Generation High-Speed Ethernet Optical Device Technology. - Hiroshi Aruga; Keita Mochizuki; Tadashi Murao; Mizuki Shirao (IEICE Trans. Electron., 2019)

Foreword. - Hiroshi Aruga (IEICE Trans. Electron., 2020)

Efficient Power Control for Satellite-Borne Batteries Using Q-Learning in Low-Earth-Orbit Satellite Constellations. - Hikaru Tsuchida 002; Yuichi Kawamoto; Nei Kato; Kazuma Kaneko; Shigenori Tani; Shigeru Uchida; Hiroshi Aruga (IEEE Wirel. Commun. Lett., 2020)

A New Transmit Diversity Technique for FSK Exploiting its Orthogonality. - Yuta Hori; Akinori Nakajima; Masatsugu Higashinaka; Hiroshi Aruga (IEEE Commun. Lett., 2021)

Improvement of Battery Lifetime Based on Communication Resource Control in Low-Earth-Orbit Satellite Constellations. - Hikaru Tsuchida 002; Yuichi Kawamoto; Nei Kato; Kazuma Kaneko; Shigenori Tani; Masatake Hangai; Hiroshi Aruga (IEEE Trans. Emerg. Top. Comput., 2022)