A 120-Gbit/s 1.27-W 520-mVpp 2: 1 Multiplexer IC Using Self-Aligned InP/InGaAs/InP DHBTs with Emitter Mesa Passivation. - Yutaka Arayashiki; Yukio Ohkubo; Taisuke Matsumoto; Yoshiaki Amano; Akio Takagi; Yutaka Matsuoka (IEICE Trans. Electron., 2010)