Affiliation: | 1. Department of Physics and Graduate Institute of Applied Science and Engineering, Fu-Jen Catholic University, Taipei 24205, Taiwan, ROC;2. Department of Physics, Bradley University, IL 61625, USA;1. Chinese Academy of Sciences (CAS) and Shanghai Institute of Optics and Fine Mechanics, Shanghai, China;2. J.J. Thomson Physical Laboratory, University of Reading, Reading, UK;3. Shanghai Institute of Optics and Fine Mechanics, Shanghai, China |