Rectangularly configured 4×4 Ti: LiNbO3 matrix switch with low drive voltage. - Ippei Sawaki; Toshio Shimoe; Hiroshi Nakamoto; Takeo Iwama; Takashi Yamane; Horochika Nakajima (IEEE J. Sel. Areas Commun., 1988)

A Super Wideband Optical FM Modulation Scheme for Video Transmission Systems. - Koji Kikushima; Hisao Yoshinaga; Hiroshi Nakamoto; Chisei Kishimoto; Masami Kawabe; Ko-Ichi Suto; Kiyomi Kumozaki; Nori Shibata (IEEE J. Sel. Areas Commun., 1996)