K. Kuboki

1.244-Gb/s 32-channel transmission using a shelf-mounted continuous-phase FSK optical heterodyne system

S. Sasaki, M. Okai, R. Takeyari, 1992 .

Simulation for the Heterodyne Type Optical Phase-Locked Loop

M. Ohtsu, K. Kuboki, C. Shin, 1988 .

XPM Effect in Coherent FDM Systems Using FSK and Heterodyne Detection Scheme

Yusuke Uchida, Katsuhiko Kuboki, K. Kuboki, 1995 .

Frequency offset locking of AlGaAs semiconductor lasers

M. Ohtsu, K. Kuboki, 1987 .

A synthesized method to improve coherence in semiconductor lasers by electrical feedback

M. Ohtsu, K. Kuboki, 1989 .