Institute of Laser and Optoelectronics, School of Precision Instrument and Optoelectronics Engineering, Tianjin University, Tianjin 300072;
Institute of Laser and Optoelectronics, School of Precision Instrument and Optoelectronics Engineering, Tianjin University, Tianjin 300072;
Institute of Laser and Optoelectronics, School of Precision Instrument and Optoelectronics Engineering, Tianjin University, Tianjin 300072;
Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083;
Institute of Quantum Electronics, School of Electronics Engineering and Computer Science, Peking University,Beijing 100871;