The 26th Institute of China Electronics Technology Corporation, Chongqing 400060, China;
State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts & Telecommunications, Beijing 100876, China;
State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts & Telecommunications, Beijing 100876, China;
State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts & Telecommunications, Beijing 100876, China;
State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts & Telecommunications, Beijing 100876, China;
State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts & Telecommunications, Beijing 100876, China;
Institute of Infrared Optical Fibers & Sensors, Qinhuangdao 066004, China;