Affiliation: | 1. Institute of Modern Optics, Department of Physics, Harbin Institute of Technology, Harbin 150001, China;2. Key Laboratory of Micro-Nano Optoelectronic Information System of Ministry of Industry and Information Technology, Harbin 150001, China;3. Collaborative Innovation Center of Extreme Optics, Shanxi University, Taiyuan, Shanxi 030006, China;4. Department of Physics, Jomo Kenyatta University of Agriculture and Technology, P.O. Box 62000-00200, Nairobi, Kenya |