Anisotropic coding metamaterials and their powerful manipulation of differently polarized terahertz waves

Light, Science & Applications
Shuo LiuQiang Cheng

Abstract

Metamaterials based on effective media can be used to produce a number of unusual physical properties (for example, negative refraction and invisibility cloaking) because they can be tailored with effective medium parameters that do not occur in nature. Recently, the use of coding metamaterials has been suggested for the control of electromagnetic waves through the design of coding sequences using digital elements '0' and '1,' which possess opposite phase responses. Here we propose the concept of an anisotropic coding metamaterial in which the coding behaviors in different directions are dependent on the polarization status of the electromagnetic waves. We experimentally demonstrate an ultrathin and flexible polarization-controlled anisotropic coding metasurface that functions in the terahertz regime using specially designed coding elements. By encoding the elements with elaborately designed coding sequences (both 1-bit and 2-bit sequences), the x- and y-polarized waves can be anomalously reflected or independently diffused in three dimensions. The simulated far-field scattering patterns and near-field distributions are presented to illustrate the dual-functional performance of the encoded metasurface, and the results are consi...Continue Reading

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Citations

Feb 3, 2018·Scientific Reports·Lei ChenHao Yang Cui
Mar 7, 2019·Light, Science & Applications·Alexander Y ZhuFederico Capasso
Oct 17, 2019·Advanced Materials·Shuqi ChenJianguo Tian
Aug 19, 2018·Optics Express·Weikang PanJianfeng Dong
Sep 15, 2020·Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences·Zhang YaxinYang Ziqiang
Oct 19, 2017·Optics Express·Ning ZhangWeili Zhang
Aug 11, 2018·Scientific Reports·Massimo MocciaAntonello Andreone
Nov 28, 2018·Advanced Science·Xin Ge ZhangTie Jun Cui
Mar 7, 2019·Light, Science & Applications·Longqing CongRanjan Singh
May 22, 2019·Scientific Reports·Muhammed Abdullah Unutmaz, Mehmet Unlu
Oct 28, 2019·Light, Science & Applications·Xiang WanTie Jun Cui
Nov 10, 2016·Optics Express·Tong CaiJian-Gang Liang
Jul 20, 2017·Scientific Reports·Rui YangJiacheng Li
Mar 1, 2019·Scientific Reports·Seyed Ehsan HosseininejadEduard Alarcón
Jun 17, 2020·Advanced Science·Xin Ge ZhangTie Jun Cui
May 5, 2017·Advanced Materials·Longqing CongRanjan Singh
Nov 7, 2019·Optics Express·Xiaohua XingWeili Zhang
Sep 25, 2019·Research : a Science Partner Journal·Z T MaH D Chen
Apr 15, 2020·Optics Letters·Jinbing HuSonglin Zhuang
Aug 28, 2019·Materials·Luqman AliXiaoming Chen

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