11:30 〜 11:45 ▲ [10a-W331-8] Investigation of impact of InGaAsP quantum well on the modulation efficiency of III-V/Si hybrid MOS optical modulator 〇(M2)Dongsheng Lyu1、Qiang Li1、Shinichi Takagi1、Mitsuru Takenaka1 (1.Univ. Tokyo)