1. Institute of Microelectronics of Chinese Academy of Sciences Beijing 100029 P. R. China
2. University of Chinese Academy of Sciences (UCAS) Beijing 100049 P. R. China
3. State Key Laboratory of Applied Optics Changchun Institute of Optics Fine Mechanics and Physics Chinese Academy of Sciences Changchun 130033 P. R. China
4. National Key Laboratory for Electronic Measurement Technology North University of China Taiyuan 030051 P. R. China
5. Wuxi Internet of Things Innovation Center Co., Ltd. Wuxi 214001 P. R. China