28-Gb/s × 24-channel CDR-integrated VCSEL-based transceiver module for high-density optical interconnects. - Kazuya Nagashima; Naoya Nishimura; Atsushi Izawa; Tomofumi Kise; Hideyuki Nasu (OFC, 2016)

Transmitter-Receiver Optical Sub Assembly using Ultra-Compact Tunable DBR/Ring Laser. - Kazuya Nagashima; Yozo Ishikawa; Atsushi Izawa; Masayoshi Nishita; Noritaka Matsubara; Hiroyuki Ishii; Thanakit Saeyang; Yoshihiro Ogiso; Yuta Ueda; Masaki Kohtoku (OFC, 2021)