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

Department of Optoelectronic Tecnology, University of Electronic Science and Technology of China, Chengdu 610054

Beijing University of Posts and Telecom munications 128#, Beijing 100088

Institute of Lightwave Technology, Northern Jiaotong University, Beijing 100044

¹ Harbin Institute of Technology, Harbin 150001

² Yanshan University, Qinhuangdao 066004

State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instruments, Tsinghua University, Beijing 100084

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

Basic Course Department, Nanjing University of Posts and Telecommunications, Nanjing 210003

The Institute of Optoelectronics and Precision Engineering, Tianjin University, Tianjin 300072

Department of Mechanical Engineering, Chubu University, Aichi 487-8501, Japan

¹ Institute of Materials Science and Technology, Tianjin University, Tianjin 300072

² Department of Optical Electron Engineering, Tianjin Institute of Sciences and Technology, Tianjin 300191

³ Tianjin Research Institute of Cemented Carbide, Tianjin 300222

School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001

¹ Department of Photoelectronics, Tianjin Institute of Technology, Tianjin 300191

² Laboratory of Laser Technology, Huazhong University of Science and Technology, Wuhan 430074

¹ Department of Information and Electronics Engineering, Zhejiang University, Hangzhou 310027

² The State Key Laboratory of Modern Optical Instruments, Zhejiang University, Hangzhou 310027

Joint Laboratory for Quantum Optics, Shanghai Institute of Optics and Fine Mechanics, the Chinese Academy of Sciences, Shanghai 201800

Department of Physics, Center of Nonlinear Science, University of Science and Technology of China, Hefei 230026