Author Affiliations

Xiaoling Zhang,^1,2 Yunhong Ding,¹ Longsheng Li,^1,3 Wei Jin,⁴ Chongfu Zhang,² Kun Qiu,² and Hao Hu^1,*

¹DTU Fotonik, Technical University of Denmark, Kgs. Lyngby, Denmark

²Key Lab. of Optical Fiber Sensing and Communications, University of Electronic Science and Technology of China, Chengdu 611731, China

³State Key lab of Advanced Optical Communication Systems and Networks, Shanghai Jiao Tong University, Shanghai, China

⁴School of Electronic Engineering, Bangor University, Bangor LL57 1UT, U.K.

^*Corresponding author: huhao@fotonik.dtu.dk