1. School of Physics and Optoelectronics The State Key Laboratory of Luminescent Materials and Devices and Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques South China University of Technology Guangzhou 510640 China
2. Department of Applied Biology and Chemical Technology The Hong Kong Polytechnic University Hong Hum Kowloon Hong Kong SAR 999077 China
3. College of Physics and Optoelectronic Engineering Shenzhen University Shenzhen 518060 China
4. PSL Research University Chimie ParisTech IRCP CNRS Paris 75005 France
5. The China‐Germany Research Center for Photonic Materials and Device The State Key Laboratory of Luminescent Materials and Devices and Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques The School of Materials Science and Engineering South China University of Technology Guangzhou 510641 China