Pseudomorphic GeSn/Ge Multiple-Quantum-Well on Silicon for Photo Detection and Modulation at 2 μm Wavelength Range. - Shengqiang Xu; Wei Wang; Yuan Dong; Yi-Chiau Huang; Saeid Masudy-Panah; Hong Wang; Xiao Gong; Yee-Chia Yeo (OFC, 2019)