National Laboratory of Crystal Materials,Shandong University,Jinan 250100,China

State Key Lab. on Integrated Optoelectronics,Electronic Engineering Dept.,Tsinghua University,Beijing 100084,China

Shanghai Institute of Optics and Fine Mechanics,The Chinese Academy of Science,Shanghai 201800,China

¹ Department of Electrical Engineering,Beijing Polytechnic University and Beijing Optoelectronic Technology Laboratory,Beijing 100022,China

² Institute of Semiconductors,The Chinese Academy of Sciences,Beijing 100083,China

State Key Laboratory of Precision Measuring Technology and Instruments,Tianjin University,Tianjin 300072,China

Harbin Institute of Technology,Institute of Opto-electronics,Harbin 150001,China

¹ Institute of Modern Optics,Nankai University,Tianjin 300071,China

² Electrical Engineering Department,The Hong Kong Polytechnic University,Hung Hom,Kowloon,Hong Kong,China

Laser Institute,Qufu Normal University,Qufu 273165,China

Telecommunications Engineering School,Beijing University of Posts and Telecommunications,Beijing 100876,China

Department of Opto-electronics,Sichuan University,Chengdu 610064,China

Optical Communication R & D Center,Beijing University of Posts and Telecommunications,Beijing 100876,China

Chongqing University of Posts and Telecommunications,Chongqing 400065,China

¹ Shanghai Institute of Optics and Fine Mechanics,The Chinese Academy of Sciences,Shanghai 201800,China

² Institute of Photographic Chemistry,The Chinese Academy of Sciences,Beijing 100101,China

¹ Department of Physics,University of Science and Technology of China,Hefei 230026,China

² Department of Materials Science and Engineering,University of Science and Technology of China,Hefei 230026,China

³ Department of Physics,Hong Kong University of Science and Technology,Hong Kong

¹ Department of Applied Physics,National University of Defense Technology,Changsha 410073,China and Laboratory of Computational Physics,Institute of Applied Physics and Computational Mathematics,Beijing 100088,China

² Department of Applied Physics,National University of Defense Technology,Changsha 410073,China

³ Institute of Applied Physics and Computational Mathematics,Beijing 100088,China

¹ National Huaqiao University,Quanzhou,362011,China

² Laboratory for Quantum Optics,Shanghai Institute of Optics and Fine Mechanics,Chinese Academy of Sciences,Shanghai 201800,China

College of Precision Instrument and Optoelectric Engineering,Tianjin University,Optoelectronic Information Science and Technology Lab., Tianjin 300072,China

Laboratory for High Intensity Optics,Shanghai Institute of Optics and Fine Mechanics,The Chinese Academy of Sciences,Shanghai 201800,China

Shanghai Institute of Optics and Fine Mechanics,The Chinese Academy of Sciences,Shanghai 201800,China