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Double Fano resonances in a composite metamaterial possessing tripod plasmonic resonances

Title
Double Fano resonances in a composite metamaterial possessing tripod plasmonic resonances
Authors
Lee, Y. U.Choi, E. Y.Kim, E. S.Woo, J. H.Kang, B.Kim, J.Park, Byung CheolHong, T. Y.Kim, Jae HoonWu, J. W.
Ewha Authors
우정원
SCOPUS Author ID
우정원scopus
Issue Date
2015
Journal Title
JOURNAL OF OPTICS
ISSN
2040-8978JCR Link2040-8986JCR Link
Citation
vol. 17, no. 2
Keywords
metamaterialterahertz spectroscopyFano resonance
Publisher
IOP PUBLISHING LTD
Indexed
SCI; SCIE; SCOPUS WOS
Abstract
By embedding four-rod resonators inside a double-split ring resonator superlattice, a planar composite metamaterial possessing tripod plasmonic resonances is fabricated. Double Fano resonances are observed where a common subradiant driven oscillator is coupled with two superradiant oscillators. As a classical analogue of a four-level tripod atomic system, the extinction spectrum of the composite metamaterial exhibits a coherent effect based on double Fano resonances. Transfer of the absorbed power between two orthogonal superradiant oscillators is shown to be mediated by the common subradiant oscillator.
DOI
10.1088/2040-8978/17/2/025103
Appears in Collections:
자연과학대학 > 물리학전공 > Journal papers
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