1. State Key Laboratory of Luminescent Materials and Devices; School of Materials Science and Technology; South China University of Technology; Guangzhou China
2. Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques; Guangzhou China
3. School of Physics and Optoelectronic Engineering; Guangdong University of Technology; Guangzhou China
4. State Key Laboratory of Modern Optical Instrumentation; College of Optical Science and Engineering; Zhejiang University; Hangzhou Zhejiang China