1. School of Information and Optoelectronic Science and Engineering
2. International Academy of Optoelectronics at Zhaoqing
3. South China Normal University
4. Guangzhou 510006
5. China
6. School of Materials Science and Engineering
7. Nanjing University of Science and Technology
8. Nanjing
9. State Key Laboratory of Reliability and Intelligence of Electrical Equipment
10. Hebei University of Technology
11. Tianjin 300130
12. South China Academy of Advanced Optoelectronics