1.3 µm 28 Gb/s EMLs with hybrid waveguide structure for low-power-consumption CFP2 transceivers. - Yoshimichi Morita; Takeshi Yamatoya; Yohei Hokama; Koichi Akiyama; Ryoko Makita; Nobuyuki Yasui; Daisuke Morita; Hiroyuki Kawahara; Eitaro Ishimura (OFC/NFOEC, 2013)

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)

High-power low-modulating-voltage 1.5 μm-band CWDM Uncooled EMLs for 800 Gb/s (53.125 Gbaud-PAM4) Transceivers. - Shinya Okuda; Takeshi Yamatoya; Tsutomu Yamaguchi; Yusuke Azuma; Yoshikazu Tanaka (OFC, 2021)

225 Gb/s PAM4 2 km and 10 km Transmission of EMLs with Hybrid Waveguide Structure for 800GbE and 1.6TbE Transceivers. - Asami Uchiyama; Shinya Okuda; Yohei Hokama; Mizuki Shirao; Kenichi Abe; Takeshi Yamatoya (OFC, 2023)

Demonstration of 155 Gbaud PAM4 and PAM6 EML with Narrow High-Mesa EA Modulator for 400 Gbps per Lane Transmission. - Asami Uchiyama; Shinya Okuda; Toshiya Tsuji; Yohei Hokama; Mizuki Shirao; Kenichi Abe; Takeshi Yamatoya; Yasuhiro Yamauchi (OFC, 2024)

High-speed 340 Gbps PAM4 and 450 Gbps PAM6 Operations of Narrow High-Mesa EML. - Shinya Okuda; Asami Uchiyama; Toshiya Tsuji; Yohei Hokama; Koki Kihara; Mizuki Shirao; Takeshi Yamatoya; Yasuhiro Yamauchi (OFC, 2025)