Author Affiliations

Yuanmu Yang,¹ Ran Huang,² Longqing Cong,¹ Zhihua Zhu,¹ Jianqiang Gu,¹ Zhen Tian,¹ Ranjan Singh,³ Jiaguang Han,^1,* and Weili Zhang^1,2,*

¹Center for Terahertz Waves and College of Precision Instrument and Optoelectronics Engineering, Tianjin University, P. R. China

²School of Electrical and Computer Engineering, Oklahoma State University, Stillwater, Oklahoma 74078, USA

³Center for Integrated Nanotechnologies, Materials Physics and Applications Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA

^*Corresponding author: jiaghan@tju.edu.cn, weili.zhang@okstate.edu