106 Gb/s Normal-Incidence Ge/Si Avalanche Photodiode with High Sensitivity. - Bin Shi; Fan Qi; Pengfei Cai; Xueping Chen; Zengwen He; Yanhui Duan; Guanghui Hou; Tzungi Su; Su Li; Wang Chen; Chingyin Hong; Rang-Chen Yu; et al. (OFC, 2020)