1. Institute of Lightwave Technology, Beijing Jiaotong University,Key Laboratory of All-Optical, Networks and Modern Communication, Networks of Ministry of Education,Beijing,China
2. Institute of Lightwave Technology, Beijing Jiaotong University,Key Laboratory of All-Optical Networks and Modern Communication Networks of Ministry of Education,Beijing,China
3. School of Electronics, Peking University,State Key Laboratory of Advanced Optical Communications System and Networks,Beijing,China
4. Photoncounts (Beijing) Technology Co. Ltd,Beijing,China