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Journal of Nanophotonics

Propagating plasmonic mode in nanoscale apertures and its implications for extraordinary transmission
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Paper Abstract

We studied the interaction of different pathways by which extraordinary transmission through nanoscale aperture arrays arises and obtained a complete physical picture that incorporates both propagating plasmonic and surface plasmon modes. The transmission behavior is qualitatively different depending on the number of transmission pathways present in the regime of operation. If only one pathway is present, it can give rise to high transmission. When multiple pathways are present simultaneously, their interplay must be studied in order to understand the rich and complex transmission behavior. The frequency range of these pathways can be controlled by varying the structures and, in particular, by coating the surface of the arrays or by filling the apertures with dielectrics that differ from the surrounding medium.

Paper Details

Date Published: 1 February 2008
PDF: 20 pages
J. Nanophoton. 2(1) 021790 doi: 10.1117/1.2890424
Published in: Journal of Nanophotonics Volume 2, Issue 1
Show Author Affiliations
Peter B. Catrysse, Stanford Univ. (United States)
Shanhui Fan, Stanford Univ. (United States)

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