Dual-pattern broadband polarization converter in THz band based on graphene and VO2 hybrid metasurface

被引：8

作者：

Li, Wenxuan ^{[1
]}

Sun, Jianfeng ^{[2
]}

Su, Chenxi ^{[1
]}

Gao, Panpan ^{[1
]}

Wang, Xueyu ^{[1
]}

Liu, Xiajun ^{[1
]}

Xia, Feng ^{[1
]}

Zhang, Kun ^{[1
]}

Dong, Lifeng ^{[3
]}

Yun, Maojin ^{[1
]}

机构：

[1] Qingdao Univ, Coll Phys, Ctr Marine Observat & Commun, Qingdao 266071, Peoples R China

[2] Shanghai Satellite Network Res Inst Co Ltd, Shanghai 200001, Peoples R China

[3] Hamline Univ, Dept Phys, St Paul, MN 55104 USA

来源：

RESULTS IN PHYSICS | 2023年 / 53卷

基金：

中国国家自然科学基金;

关键词：

Graphene; Metasurface; Polarization converter; Terahertz; Dual-mode; MULTIFUNCTIONAL METAMATERIAL; ASYMMETRIC TRANSMISSION; WAVE PLATE; CONVERSION; MANIPULATION; ROTATOR;

D O I：

10.1016/j.rinp.2023.107021

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We propose a dual-pattern broadband polarization converter in the terahertz band using a vanadium dioxide (VO2) and graphene metasurface. The converter can be switched between transmission and reflection patterns by controlling the phase of VO2. In the insulating state of VO2 and with the Fermi energy of graphene (Ef) set to 1 eV, the converter works in transmission mode and can convert linearly polarized waves. In the metallic state of VO2 and with Ef set to = 0 eV, the converter works in reflection mode and can function as a quarter-wave plate. The proposed converter is expected to have applications in integrated devices that control the polarization state of terahertz waves.

引用

页数：9

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