Author Affiliations

Haowen Shu,^1,† Bitao Shen,^1,† Lin Chang,^2,† Weiqiang Xie,^2,† Jun Qin,¹ Ming Jin,¹ Xuguang Zhang,¹ Xingjun Wang,^1,3,* and John. E. Bowers^2,**

¹State Key Laboratory of Advanced Optical Communications System and Networks, Peking University, Beijing, 100871, China

²Department of Electrical and Computer Engineering, University of California, Santa Barbara, CA 93106, USA

³Frontiers Science Center for Nano-optoelectronics, Peking University, Beijing 100871, China

^†All four authors contributed equally to this manuscript

^*Corresponding author: xjwang@pku.edu.cn

^** bowers@ece.ucsb.edu