Plasmon-Induced Transparency Based on Triple Arc-Ring Resonators

被引：8

作者：

Dong, Guang-Xi ^{[1
]}

Xie, Qin ^{[1
]}

Zhang, Qi ^{[1
]}

Wang, Ben-Xin ^{[1
]}

Huang, Wei-Qing ^{[2
]}

机构：

[1] Jiangnan Univ, Sch Sci, Wuxi 214122, Peoples R China

[2] Hunan Univ, Sch Phys & Elect, Changsha 410082, Hunan, Peoples R China

来源：

MATERIALS | 2018年 / 11卷 / 06期

基金：

中国国家自然科学基金;

关键词：

terahertz; metamaterials; plasmon-induced transparency; ELECTROMAGNETICALLY INDUCED TRANSPARENCY; METAMATERIAL ABSORBER; REFRACTIVE-INDEX; GRAPHENE; FREQUENCIES; FILTERS; ANALOG;

D O I：

10.3390/ma11060964

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

This paper presents a plasmon-induced transparency (PIT) using an easy-fabricating metamaterial composed of three pieces of metallic arc-rings on top of a dielectric substrate. The transmission of the transparent peak of 1.32 THz reaches approximately 93%. The utilization of the coupled Lorentzian oscillator model and the distribution of electromagnetic fields together explain the cause of the transparent peak. The simulation results further demonstrate that the bandwidth of the transmission peak can be narrowed by changing the sizes of the arc-rings. Moreover, an on/off effect based on the transparent peak is discussed by introducing photosensitive silicon into the air gaps of the suggested metamaterial structure.

引用

页数：9

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