1. Guangdong Provincial Key Laboratory of Optical Fiber Sensing and Communications, Institute of Photonics Technology, Jinan University, Guangzhou 510632, China
2. Department of Materials Science and Engineering, Southern University of Science and Technology, 518055, Shenzhen, China
3. Institute of Modern Optics, Key Laboratory of Optical Information Science and Technology, Nankai University, Tianjin 300350, China
4. Materials Characterization and Preparation Center, Southern University of Science and Technology, 518055, Shenzhen, China
5. College of Electronic Science and Technology, Shenzhen University, Shenzhen 518060, China
6. NSF Nanoscale Science and Engineering Center, University of California, Berkeley, California 94720, United States
7. Shenzhen Institute for Quantum Science and Engineering, Southern University of Science and Technology, 518055, Shenzhen, China