Optical-Fiber Feedthrough in Pressure Housing. - Shigendo Nishi; Nobuharu Takahara (IEEE J. Sel. Areas Commun., 1984)

Line Code and Terminal Configuration for Very Large-Capacity Optical Transmission System. - Norikai Yoshikai; Shigendo Nishi; Jun-Ichi Yamada (IEEE J. Sel. Areas Commun., 1986)