100 GHz Ultra-thin Germanium Photodetector with 1.05 A/W Responsivity at 1550 nm. - Xu Wang; Jinwen Song; Fengxin Yu; Fenghe Yang; Wei Chu; Haibin Zhao; Haiwen Cai; Xuezhe Zheng; Hao Wu; Xiao Hu (OFC, 2025)