1. School of Opto-electronic and Communication Engineering Xiamen University of Technology Xiamen 361024 China
2. Fujian Provincial Key Laboratory of Optoelectronic Technology and Devices Xiamen 361024 China
3. School of international education Xiamen University of Technology Xiamen 361024 China
4. Silan Academy of Compound Semiconductor Technology Xiamen Silan Advanced Compound Semiconductor Co., Ltd. Xiamen 361026 China