Efficient terahertz transmission modulation in plasmonic metallic slits by a graphene ribbon array

被引：5

作者：

Zhang, L. ^{[1
]}

Zhai, Z. C. ^{[1
]}

机构：

[1] China Jiliang Univ, Ctr Terahertz Res, Hangzhou 310018, Zhejiang, Peoples R China

来源：

APPLIED OPTICS | 2018年 / 57卷 / 32期

关键词：

EXTRAORDINARY OPTICAL-TRANSMISSION; SUBWAVELENGTH HOLE ARRAYS; WAVE-GUIDE; PHOTONICS; METAMATERIALS; EXPLOSIVES; RESONANCES;

D O I：

10.1364/AO.57.009550

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Extraordinary optical transmission is the widely known phenomenon of enhanced transmission of waves through subwavelength periodic metallic apertures. Here, we propose efficient terahertz transmission modulation in subwavelength metallic slits by a graphene plasmonic ribbon array. The extraordinary optical transmission through the subwavelength metallic slits can be tuned by coupling with the plasmonic resonance of graphene ribbon array, resulting in a deep transmittance depression. Numerical simulations show that maximal transmission modulation depth of 98.99% can be obtained at 1.03 THz via this mechanism. (C) 2018 Optical Society of America

引用

页码：9550 / 9554

页数：5

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