1. State Key Laboratory of Superlattices and Microstructures, Institute of Semiconductors, and Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Chinese Academy of Sciences 1 , Beijing 100083, People's Republic of China
2. Beijing Academy of Quantum Information Sciences 2 , Beijing 100193, People's Republic of China
3. Henan Key Laboratory of Diamond Optoelectronic Materials and Devices, Key Laboratory of Material Physics, Ministry of Education, School of Physics and Microelectronics, Zhengzhou University 3 , Zhengzhou 450052, People's Republic of China