1. Key Laboratory of Transparent Opto‐functional Inorganic Materials Shanghai Institute of Ceramics Chinese Academy of Sciences Shanghai China
2. Center of Materials Science and Optoelectronics Engineering University of Chinese Academy of Sciences Beijing China
3. Istituto Nazionale di Ottica Consiglio Nazionale delle Ricerche CNR‐INO Sesto Fiorentino (Fi) Italy
4. Istituto di Fisica Applicata “Carrara” Consiglio Nazionale delle Ricerche CNR‐IFAC Sesto Fiorentino (Fi) Italy
5. School of Material Science and Engineering Jiangsu University Zhenjiang China