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Open AccessArticle

Plasmon-Induced Transparency Based on Triple Arc-Ring Resonators

1
School of Science, Jiangnan University, Wuxi 214122, China
2
School of Physics and Electronics, Hunan University, Changsha 410082, China
*
Authors to whom correspondence should be addressed.
Materials 2018, 11(6), 964; https://doi.org/10.3390/ma11060964
Received: 9 May 2018 / Revised: 1 June 2018 / Accepted: 5 June 2018 / Published: 6 June 2018
(This article belongs to the Section Structure Analysis and Characterization)
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. View Full-Text
Keywords: terahertz; metamaterials; plasmon-induced transparency terahertz; metamaterials; plasmon-induced transparency
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MDPI and ACS Style

Dong, G.-X.; Xie, Q.; Zhang, Q.; Wang, B.-X.; Huang, W.-Q. Plasmon-Induced Transparency Based on Triple Arc-Ring Resonators. Materials 2018, 11, 964.

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