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Nano Lett. 2011 Apr 13;11(4):1685-9. doi: 10.1021/nl200197j. Epub 2011 Mar 25.

Multispectral plasmon induced transparency in coupled meta-atoms.

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  • 1Electrical and Computer Engineering Department, Boston University, Boston, Massachusetts 02215, United States.

Abstract

We introduce an approach enabling construction of a scalable metamaterial media supporting multispectral plasmon induced transparency. The composite multilayered media consist of coupled meta-atoms with radiant and subradiant hybridized plasmonic modes interacting through the structural asymmetry. A perturbative model incorporating hybridization and mode coupling is introduced to explain the observed novel spectral features. The proposed scheme is demonstrated experimentally by developing a lift-off-free fabrication scheme that can automatically register multiple metamaterial layers in the transverse plane. This metamaterial which can simultaneously enhance nonlinear processes at multiple frequency domains could open up new possibilities in optical information processing.

PMID:
21438605
[PubMed - indexed for MEDLINE]
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