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)

Developmental Human-Robot Imitation Learning of Drawing with a Neuro Dynamical System. - Keita Mochizuki; Shun Nishide; Hiroshi G. Okuno; Tetsuya Ogata (SMC, 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)

Insertion of pause in drawing from babbling for robot's developmental imitation learning. - Shun Nishide; Keita Mochizuki; Hiroshi G. Okuno; Tetsuya Ogata (ICRA, 2014)

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)

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)

Compact InP MZM Optical Sub-Assembly with Built-in Electrical Filters by Three-Dimensional Packaging Technique. - Fukiko Hirose; Keita Mochizuki; Junichi Suzuki; Shusaku Hayashi; Yosuke Suzuki; Kiyotomo Hasegawa (OECC/PSC, 2019)

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

Simplified Digital Coherent Technologies for Beyond 100G Optical Access Systems in the B5G/6G era. - Naoki Suzuki; Hiroshi Miura; Keita Mochizuki; Keisuke Matsuda (OFC, 2021)

Digital Coherent based PON Technologies and Beyond-100G Optical Access Systems. - Naoki Suzuki; Hiroshi Miura; Keita Mochizuki; Keisuke Matsuda (OECC/PSC, 2022)

Simplified digital coherent-based beyond-100G optical access systems for B5G/6G [Invited]. - Naoki Suzuki; Hiroshi Miura; Keita Mochizuki; Keisuke Matsuda (JOCN, 2022)