Silicon microring-based integrated circuit for optical label-free biosensor with direct electrical readout. - Junfeng Song; Xianshu Luo; Jack Sheng Kee; Chao Li; Xiaoguang Tu; Qing Fang; Huijuan Zhang; Lianxi Jia; Mi Kyoung Park; Tsung-Yang Liow; Mingbin Yu; Guo-Qiang Lo (OFC/NFOEC, 2013)