1. State Key Laboratory for Mesoscopic Physics and Frontiers Science Center for Nano‐Optoelectronics School of Physics Peking University Beijing 100871 China
2. School of Information Science and Technology Fudan University Shanghai 200438 China
3. Dongguan Sino Crystal Semiconductor Co., Ltd. Dongguan 523500 China
4. Electron Microscopy Laboratory School of Physics Peking University Beijing 100871 China
5. Microsystem and Terahertz Research Center China Academy of Engineering Physics Chengdu 610200 China
6. School of Electronic Science and Engineering University of Electronic Science and Technology of China Chengdu 611731 China
7. Songshan Lake Materials Laboratory Dongguan 523808 China
8. Dongguan Institute of Opto‐Electronics Peking University Dongguan 523808 China
9. Collaborative Innovation Center of Quantum Matter School of Physics Peking University Beijing 100871 China
10. Peking University Yangtze Delta Institute of Optoelectronics Nantong Jiangsu 226010 China