1. Mathematics and Physics Centre
2. Xi'an Jiaotong-Liverpool University
3. Suzhou 215123, China
4. Department of Physics
5. HKU-Shenzhen Institute of Research and Innovation (HKU-SIRI), and HKU-CAS Joint Laboratory on New Materials
6. The University of Hong Kong
7. Hong Kong, China
8. Suzhou Institute of Nano-Tech and Nano-Bionics
9. Chinese Academy of Sciences
10. State Key Laboratory on Integrated Optoelectronics
11. Institute of Semiconductors
12. Beijing 100083, China