1. College of Physics and Electronic Engineering, Hainan Normal University, Haikou, Hainan 571158, China
2. The Innovation Platform for Academicians of Hainan Province, Haikou, Hainan 571158, China
3. Key Laboratory of Laser Technology and Optoelectronic Functional Materials of Hainan Province, Haikou, Hainan 571158, China