1. School of Materials and Chemistry, University of Shanghai for Science and Technology, Shanghai 200093, China
2. State Key Laboratory of Infrared Physics, Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai 200083, China
3. Department of Physics, East China Normal University, Shanghai 200241, China
4. Department of Electronic Engineering, School of Information Science and Engineering, National Model Microelectronics College, Xiamen University, Xiamen 361005, China
5. Shanghai Frontiers Science Research Base of Intelligent Optoelectronics and Perception, Institute of Optoelectronics, Fudan University, Shanghai 200433, China