1State Key Laboratory of High Power Semiconductor Laser, School of Science, Changchun University of Science and Technology, Changchun 130022, China
2Department of Electrical and Electronic Engineering, Southern University of Science and Technology, Shenzhen 518055, China
3School of Optical and Electronic Information and Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, China