Tunable plasmon-induced transparency with graphene-based T-shaped array metasurfaces

被引：41
|
作者：
Niu, Yuying [1 ]
Wang, Jicheng [1 ,2 ,3 ]
Hu, Zhengda [1 ]
Zhang, Feng [2 ]
机构：
[1] Jiangnan Univ, Sch Sci, Jiangsu Prov Res Ctr Light Ind Optoelect Engn & T, Wuxi 214122, Peoples R China
[2] Chinese Acad Sci, Inst Semicond, Key Lab Semicond Mat Sci, Beijing 100083, Peoples R China
[3] Southeast Univ, State Key Lab Millimeter Waves, Nanjing 210096, Jiangsu, Peoples R China
来源：
OPTICS COMMUNICATIONS | 2018年 / 416卷
基金：
中国国家自然科学基金; 中国博士后科学基金;
关键词：
Metasurfaces; Graphene-based; Plasmon-induced transparency; Carrier mobility; ELECTROMAGNETICALLY INDUCED TRANSPARENCY; METAMATERIALS; FILTERS; ANALOG; CLOAK;
D O I：
10.1016/j.optcom.2018.02.009
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The frequency tunable Plasmonic induced transparency (PIT) effect is researched with a periodically patterned T-shaped graphene array in mid-infrared region. We adjust the geometrical parameters to obtain the optimized combination for the realization of the PIT response and use the coupled Lorentz oscillator model to analysis the physical mechanism. Due to the properties of graphene, the PIT effect can be easily and markedly enhanced with the increase of chemical potential and carrier mobility. The frequency of PIT effect is also insensitive with the angle of incident light. In addition, we also propose the.. shaped structure to realizing the double-peak PIT effect. The results offer a flexible approach for the development of tunable graphene-based photonic devices.
引用
收藏
页码：77 / 83
页数：7
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