Broadband Tunable Polarization Converter Realized by Graphene-Based Metamaterial

被引:111
作者
Yu, Xingyang [1 ]
Gao, Xi [1 ,2 ]
Qiao, Wei [1 ]
Wen, Lili [3 ]
Yang, Wanli [1 ]
机构
[1] Guilin Univ Elect Technol, Sch Informat & Commun, Guilin 541004, Peoples R China
[2] Guangxi Key Lab Wireless Wideband Commun & Signal, Guilin 541004, Peoples R China
[3] Fuzhou Univ, State Key Lab Photocatalysis Energy & Environm, Fuzhou 350108, Peoples R China
基金
中国国家自然科学基金;
关键词
Terahertz; metamaterial; graphene; polarization converter; CONVERSION; ABSORBER;
D O I
10.1109/LPT.2016.2596843
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
We present a broadband tunable polarization converter in terahertz (THz) frequency based on a hybrid metamaterial comprising I-shaped metallic resonators and double layer graphene sheets. The proposed device can dynamically switch its functionalities among linear-to-linear, linear-to-circular, and linear-to-elliptical polarization conversion in broadband by electrically controlling the Fermi energy of the graphene sheets without reoptimizing and refabricating the structures. This device concept offers a further step in developing broadband tunable polarizers and polarization switchers and has potentially applications in THz communications, sensing and spectroscopy.
引用
收藏
页码:2399 / 2402
页数:4
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