1. State Key Laboratory of Advanced Optical Communication Systems and Networks, Department of Electronics, Peking University, Beijing 100871, China
2. Department of Electronics, Institute of Quantum Electronics, Peking University, Beijing 100871, China
3. Peking University Information Technology Institute (Tianjin Binhai), Tianjin 300450, China
4. Key Laboratory for the Physics and Chemistry of Nanodevices, Department of Electronics, Peking University, Beijing 100871, China
5. Key Laboratory of Microsatellites, Chinese Academy of Sciences, Shanghai 201203, China
6. Innovation Academy for Microsatellites, Chinese Academy of Sciences, Shanghai 201203, China