1. School of Applied Physics and Materials
2. Wuyi University
3. Jiangmen
4. China
5. School of Physics and Optoelectronics
6. The State Key Laboratory of Luminescent Materials and Devices
7. Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques
8. South China University of Technology
9. Guangzhou 510640
10. The China-Germany Research Center for Photonic Materials and Devices
11. The School of Materials Science and Technology, South China University of Technology