1. State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques, School of Materials Science and Engineering, South China University of Technology, Guangzhou, Guangdong 510641, People’s Republic of China
2. Department of Physics, South China University of Technology, Guangzhou, Guangdong 510640, People’s Republic of China
3. Laboratory of Crystal Physics, Kirensky Institute of Physics, Federal Research Center Krasnoyarsk Science Center of the Siberian Branch of the Russian Academy of Sciences, Krasnoyarsk 660036, Russia
4. Siberian Federal University, Krasnoyarsk 660041, Russia
5. Department of Physics, Far Eastern State Transport University, Khabarovsk 680021 Russia