[MF1] Optical Signal Functionalization I

[MF1-2] Design of Efficient Polarization Modulator with Asymmetrically Coupled MQW

〇Peng Zhou, Yoshiaki Nakano, Takuo Tanemura (The Univ. of Tokyo, Japan)

キーワード：quantum well, optical modulator, polarization

We propose novel integrated polarization modulator with InGaAsP three-step asymmetrically coupled quantum wells. By using abnormal quantum-confined Stark effect, we numerically demonstrate more than one-order improvement in modulation efficiency from the conventional uniform quantum-well design.