Author Affiliations

Chao Lu,^1,* Alan Pak Tao Lau,² Qi Sui,² Fasial Khan,³ and Zhenhua Dong²

¹The Photonics Research Center, Dept. of Electronic and Information Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong

²The Photonics Research Center, Dept. of Electrical Engineering, The Hong Kong Polytechnic University, Hong Kong

³School of Electrical and Electronic Engineering, Universiti Sains Malaysia (USM), Penang, Malaysia

^*Corresponding author: enluchao@polyu.edu.hk