Affiliation: | Maoyan Wang 1,2,*,Chengwei Qiu 2,Jun Xu 1,Yuliang Dong 1,Hu Zheng 1,and Hailong Li 1 1.School of Physical Electronics,University of Electronic Science and Technology of China,Chengdu 610054,P.R.China,2.Department of Electrical and Computer Engineering,National University of Singapore,Singapore 119620,Singapore |