1. State Key Laboratory of Photon-Technology in Western China Energy, International Collaborative Center on Photoelectric Technology and Nano Functional Materials, Institute of Photonics & Photon Technology, Northwest University, Xi’an710127, China
2. Ji Hua Laboratory, Foshan528200, China
3. School of Physics, Northwest University, Xi’an710127, China
4. Department of Mechanical Engineering & Biomedical Engineering Program, University of South Carolina, Columbia, South Carolina29208, United States