1. School of Medical Information and Engineering Southwest Medical University Luzhou 646000 China
2. DTU Fotonik Department of Photonics Engineering Technical University of Denmark Kgs. Lyngby DK‐2800 Denmark
3. Laboratory of Advanced Nano Materials and Devices Institute of Materials Technology (IMT) Ningbo Institute of Materials Technology and Engineering (NIMTE) Chinese Academy of Sciences (CAS) Ningbo 315201 China
4. Section of Condensed Matter Physics Department of Physics National and Kapodistrian University of Athens Panepistimioupolis Athens GR‐157 84 Greece