| Authors: |
Liu JX; Hefei National Research Center for Physical Sciences at the Microscale and School of Physical Sciences, Department of Modern Physics, University of Science and Technology of China, Hefei, Anhui, China., Shi HL; INO-CNR and LENS, Firenze, Italy., Wu C; Science, Mathematics and Technology, Singapore University of Technology and Design, Singapore, Singapore. chunfeng_wu@sutd.edu.sg., Yu S; Hefei National Research Center for Physical Sciences at the Microscale and School of Physical Sciences, Department of Modern Physics, University of Science and Technology of China, Hefei, Anhui, China. yusixia@ustc.edu.cn.; Hefei National Laboratory, University of Science and Technology of China, Hefei, China. yusixia@ustc.edu.cn. |