High Speed Ge/Si Avalanche Photodiode with High Sensitivity for 50Gbit/s and 100Gbit/s Optical Access Systems. - Chingyin Hong; Bin Shi; Fan Qi; Pengfei Cai; Yanhui Duan; Guanghui Hou; Tzungi Su; Tehuang Chiu; Su Li; Wang Chen; Dong Pan (OFC, 2022)