1. School of Physics and Optoelectronic Engineering
2. Guangdong University of Technology
3. Guangzhou 510006
4. China
5. State Key Laboratory of Luminescent Materials and Devices, and Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques
6. South China University of Technology
7. Guangzhou 510641
8. College of Electronic Information and Optical Engineering
9. Nankai University
10. Tianjin 300350