Terahertz phase modulator with graphene based metasurface

被引：1
|
作者：
Zhang, Xin [1 ]
Wei, Dongshan [1 ]
Xia, Liangping [1 ]
Nie, Changbin [1 ]
Wang, Sijiang [1 ]
Cui, Hongliang [1 ]
Du, Chunlei [1 ]
机构：
[1] Chinese Acad Sci, Chongqing Inst Green & Intelligent Technol, Key Lab Multiscale Mfg Technol, Chongqing 401122, Peoples R China
来源：
OPTICAL COMMUNICATION AND OPTICAL FIBER SENSORS AND OPTICAL MEMORIES FOR BIG DATA STORAGE | 2016年 / 10158卷
关键词：
Terahertz; graphene; phase modulator; metasurface;
D O I：
10.1117/12.2246817
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：
A terahertz phase modulator combined with single layered graphene and metal metasurface is proposed. With the high electron mobility of graphene, the modulator owns high speed modulation. With the strong interaction between the terahertz wave and the metal metasurface, the deep modulation is obtained in the structure only contains a single layered graphene. With the finite element method (FEM), the resonant in the structure with different polarization incidence is discussed and the parameter influence is analyzed. The maximum phase modulation is over 100 degree when the chemical potential of graphene is tuned from 0.1eV to 0.2eV.
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页数：7
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