1. State Key Laboratory of High Power Semiconductor Lasers, School of Physics Changchun University of Science and Technology Changchun China
2. Key Laboratory of Semiconductor Materials Science, Institute of Semiconductors Chinese Academy of Sciences Beijing China
3. College of Materials Science and Opto‐Electronic Technology University of Chinese Academy of Sciences Beijing China
4. Zhongshan Institute of Changchun University of Science and Technology Zhongshan China