Fiber-Optic Hybrid Digital Transmission System Experiment. - Kazuo Osafune; Tetsuya Miki; Yukifusa Okano (IEEE Trans. Commun., 1979)

A 15-GHz monolithic low-phase-noise VCO using AlGaAs/GaAs HBT technology. - Yoshiki Yamauchi; Hideki Kamitsuna; Masashi Nakatsugawa; Hiroshi Ito; Masahiro Muraguchi; Kazuo Osafune (IEEE J. Solid State Circuits, 1992)