1. State Key Laboratory on Integrated Optoelectronics, Institute of Semiconductors, Chinese Academy of Sciences, Beijing, China
2. National Information Optoelectronics Innovation Center and State Key Laboratory of Optical Communication Technologies and Networks of China Information and Communication Technologies Group Corporation (CICT), Wuhan, China
3. The 38th Research Institute of China Electronics Technology Group Corporation, Hefei, China
4. School of Optoelectronic Engineering and Instrumentation Science, Dalian University of Technology, Dalian, China