Plasmon-Induced Transparency in Metamaterial Based on Graphene and Split-Ring Resonators

被引:42
|
作者
Zhao, Xiaolei [1 ]
Yuan, Cai [2 ]
Lv, Wenhua [3 ]
Xu, Shilin [1 ]
Yao, Jianquan [1 ]
机构
[1] Tianjin Univ, Coll Precis Instrument & Optoelect Engn, Tianjin 300072, Peoples R China
[2] Clemson Univ, Coll Bioengn, Clemson, SC 29634 USA
[3] Weifang Univ, Coll Phys & Optoelect Engn, Weifang 261061, Peoples R China
基金
中国国家自然科学基金;
关键词
Terahertz; metamaterial; graphene; plasmon induced transparency; ELECTROMAGNETICALLY-INDUCED TRANSPARENCY; ATOMIC GAS; LIGHT;
D O I
10.1109/LPT.2015.2421302
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 design of a terahertz plasmon induced transparency (PIT) metamaterial based on a graphene patch and split-ring resonator (SRR) pair. The PIT metamaterial exhibits a sharp-induced transparency peak resulting from the destructive interference between the direct-excited plasmon resonance in the graphene patch acting as the bright mode and the coupling-excited inductive-capacitive resonance in the SRR pair acting as the dark mode. Tuning the Fermi energy in graphene results in the modulation of the PIT window, allowing for the active control of the group index. These results may lead to promising applications in tunable terahertz devices, slow light, and sensing technology.
引用
收藏
页码:1321 / 1324
页数:4
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