Integrated Optical Submarine Repeater Circuits Using a High Reliability Process Technology. - Mamoru Ohara; Tsutomu Kamoto; Shuichi Kanamori (IEEE J. Sel. Areas Commun., 1984)

An 8-bit 2-ns monolithic DAC. - Tsutomu Kamoto; Yukio Akazawa; Mitsuru Shinagawa (IEEE J. Solid State Circuits, 1988)