Qinghua Guo1,9, Tianshu Jiang1,9, Ruo-Yang Zhang1,9, Lei Zhang1,2,3, Zhao-Qing Zhang1, Biao Yang1,4,5✉, Shuang Zhang6,7,8✉ & C. T. Chan1✉
1 Department of Physics and Institute for Advanced Study, The Hong Kong University of Science and Technology, Hong Kong, China.
2 State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Laser Spectroscopy, Shanxi University, Taiyuan, China.
3 Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan, China.
4 College of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha, China.
5 Hunan Provincial Key Laboratory of Novel Nano-Optoelectronic Information Materials and Devices, National University of Defense Technology, Changsha, China.
6 School of Physics and Astronomy, University of Birmingham, Birmingham, UK.
7 Department of Physics, The University of Hong Kong, Hong Kong, China.
8 Department of Electrical and Electronic Engineering, The University of Hong Kong, Hong Kong, China.
9 These authors contributed equally: Qinghua Guo, Tianshu Jiang, Ruo-Yang Zhang.