A 200 Mbit/s Synchronous TDM Loop Optical LAN Suitable for Multiservice Integration. - Takatoshi Minami; Kazuo Yamaguchi; Takakiyo Nakagami; Hirobumi Takanashi; Naoji Fujino; Hiroshi Hamano; Masuo Suyama; Kazuo Iguchi; Isao Yamada (IEEE J. Sel. Areas Commun., 1985)

Advanced Technologies for High Speed Optical Repeater. - Michio Fujisaki; Hirobumi Takanashi (ICC, 1986)