1. State Key Laboratory of Luminescent Materials and Devices, Guangdong Engineering Technology Research and Development Center of Special Optical Fiber Materials and Devices, and Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques, School of Materials Science and Engineering, South China University of Technology, Guangzhou 510641, China
2. College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
3. Laboratory of Crystal Physics, Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk 660036, Russia
4. Department of Physics, Far Eastern State Transport University, Khabarovsk 680021, Russia
5. Siberian Federal University, Krasnoyarsk 660079, Russia
6. School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, China