1. Hubei Key Laboratory of Optical Information and Pattern Recognition, Wuhan Institute of Technology, Wuhan, 430205, P. R. China
2. School of Mathematics and Physics, China University of Geosciences (Wuhan), Wuhan, 430074, P. R. China
3. Department of Physics, College of Science, Southern University of Science and Technology, Shenzhen, 518055, P. R. China