Terahertz sensing based on tunable fano resonance in graphene metamaterial

被引：11
|
作者：
Cui, Wei [1 ]
Wang, Yixuan [2 ]
Xue, Jingjing [1 ]
He, Zhihui [1 ]
He, Hui [3 ]
机构：
[1] Yanan Univ, Sch Phys & Elect Informat, Yanan 716000, Peoples R China
[2] Yanan Univ, Sch Chem & Chem Engn, Yanan 716000, Peoples R China
[3] Hainan Univ, Coll Appl Sci & Technol, Danzhou 571737, Peoples R China
来源：
RESULTS IN PHYSICS | 2021年 / 31卷
基金：
中国国家自然科学基金;
关键词：
Graphene; Fano resonance; Terahertz; Sensing; PLASMON-INDUCED TRANSPARENCY;
D O I：
10.1016/j.rinp.2021.104994
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Here, the Fano resonance is investigated in a simple graphene metamaterial by the finite-difference time-domain (FDTD) method. The results indicate that transmission spectra of the Fano resonance can be tuned by the Fermi level and carrier mobility, and our proposed graphene metamaterial can be used in sensing applications at the terahertz band. Moreover, Figure of merit (FoM) for sensing can reach up to 106.92. Our proposal may pave the way for designing graphene-based terahertz sensing.
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页数：3
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