1 Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu 610054, China
2 School of Information and Software Engineering, University of Electronic Science and Technology of China, Chengdu 610054, China
3 Centre Énergie Matériaux et Télécommunications, Institut National de la Recherche Scientifique, Varennes QC J3X 1S2, Canada
4 Department of Physics, University of North Texas, Denton, Texas 76203, USA
5 Department of Physics and Astronomy, Ohio University, Athens, Ohio 45701, USA