Multi-spectral plasmon induced transparency via in-plane dipole and dual-quadrupole coupling

We experimentally demonstrated an approach based on dipole and dual-quadrupole coupling to construct a planar metamaterial supporting multi-spectral plasmon induced transparency. The structure consists of two short silver wires (dipole) and two long silver wires (dual-quadrupole). The in-plane coupl...

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Bibliographic Details
Published inOptics express Vol. 22; no. 10; pp. 11399 - 11406
Main Authors Miyata, Masashi, Hirohata, Jumpei, Nagasaki, Yusuke, Takahara, Junichi
Format Journal Article
LanguageEnglish
Published United States 19.05.2014
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Summary:We experimentally demonstrated an approach based on dipole and dual-quadrupole coupling to construct a planar metamaterial supporting multi-spectral plasmon induced transparency. The structure consists of two short silver wires (dipole) and two long silver wires (dual-quadrupole). The in-plane coupling between the dipole and the dual-quadrupole leads to two transmission windows even in the absorbance linewidth of the dipole. This phenomenon is well described and understood by numerical analyses and a classical oscillator model.
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ISSN:1094-4087
DOI:10.1364/OE.22.011399