Authors
Lei Xia
School of Electronic Science and Engineering, University of Electronic Science and Technology of China (UESTC), Chengdu, China
Jia-Lin Li
School of Physics, University of Electronic Science and Technology of China (UESTC), Chengdu, China
Zhuang Ji
School of Physics, University of Electronic Science and Technology of China (UESTC), Chengdu, China
Shan-Shan Gao
School of Information Science and Engineering, Chengdu University, Chengdu, China