Germanium-on-silicon photo-detectors based on tiny micro-disk resonators. - Haifeng Zhou; Tsung-Yang Liow; Xiaoguang Tu; Eujin Lim; Chao Li; Lianxi Jia; Ying Huang; Lianwee Luo; Xianshu Luo; Junfeng Song; Qing Fang; Mingbin Yu; et al. (OFC, 2016)