Feihu Xu received his B.S. degree (Hons.) from the University of Science and Technology of China in 2009. After that, he went to the Department of Electrical and Computer Engineering, University of Toronto for graduate study, where he received M.A.Sc degree in 2011. Currently, he is a Ph.D. candidate in photonics and communications groups under the supervision of Prof. Li Qian and Prof. Hoi-Kwong Lo.