Additive pulse mode-locked erbium-doped fiber lasers. - Kohichi Robert Tamura (1994)

Superior BER Transmission of 106-Gb/s/lane Skewless PAM4 over 10 km by Utilizing 1.3-μm Directly Modulated InGaAlAs-MQW BH Lasers and Incoherent Multiplexing of Two NRZ Signals. - Kouji Nakahara; Riu Hirai; Takeshi Kitatani; Nobuhiko Kikuchi; Takayoshi Fukui; Kaoru Okamoto; Yasushi Sakuma; Kohichi Robert Tamura; Shigehisa Tanaka (OFC, 2018)