Observation of Fano resonance using a coupled resonator metamaterial composed of meta-atoms arranged by double periodicity

We studied the transmission characteristics of a planar metamaterial consisting of an array of electric split-ring resonators (eSRRs) with double periodicity. Because of coupling between different resonant modes induced by different lattice periods in metamaterials with double periodicity, the appea...

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Bibliographic Details
Published in:arXiv.org 2016-12
Main Authors: Nishida, Tsubasa, Nakata, Yosuke, Miyamaru, Fumiaki, Nakanishi, Toshihiro, Takeda, Mitsuo W
Format: Article
Language:English
Subjects:
Fano resonance
Lattice vibration
Metamaterials
Oscillators
Periodic variations
Resonators
Online Access:Get full text
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Summary:We studied the transmission characteristics of a planar metamaterial consisting of an array of electric split-ring resonators (eSRRs) with double periodicity. Because of coupling between different resonant modes induced by different lattice periods in metamaterials with double periodicity, the appearance of Fano resonance can be expected in the same manner as that in the case of coupled classical oscillators. We fabricated complementary eSRRs and verified that a Fano-like spectral shape appeared in the transmission spectra of eSRRs with double periodicity in the terahertz region.
ISSN:2331-8422
DOI:10.48550/arxiv.1612.03552