Author Affiliations

Peng Zhang,^1,2 Ming Tang,^1,2,* Feng Gao,^1,2 Benpeng Zhu,² Songnian Fu,^1,2 Jun Ouyang,² Perry Ping Shum,³ and Deming Liu^1,2

¹Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, 430074, China

²National Engineering Laboratory for Next Generation Internet Access System, School of Optics and Electronic Information, Huazhong University of Science and Technology, Wuhan, 430074, China

³Photonics Centre of Excellence, School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore 637553

^*Corresponding author: tangming@mail.hust.edu.cn