1. Laboratory of Micro-Nano Optoelectronic Materials and Devices, Key Laboratory of Materials for High-Power Laser, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
2. Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Science, Beijing 100080, China
3. School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
4. School of Optoelectronic Engineering and Instrumentation Science, Dalian University of Technology, Dalian, 116024, China