Coupling of surface plasmon polaritons and light in metallic nanoslits

K. G. Lee; Q. Han Park

doi:10.1103/PhysRevLett.95.103902

Coupling of surface plasmon polaritons and light in metallic nanoslits

K. G. Lee, Q. Han Park

Research output: Contribution to journal › Article › peer-review

184 Citations (Scopus)

Abstract

We clarify the nature of coupling between surface plasmon polaritons (SPP) and transmitted light in metallic nanoslit structures. The coupling strength is found to be the product of the geometric opening ratio, the aperture momentum, and the Fabry-Perot factor. We determine the effective coupling, which includes corrections due to other SPPs, and show that this effective coupling causes enhanced transmission with redshifted or blueshifted transmission peaks. Without coupling, SPP is proven to suppress transmission due to the equipartition of diffraction orders. These results show good agreement with experiment.

Original language	English
Article number	103902
Journal	Physical review letters
Volume	95
Issue number	10
DOIs	https://doi.org/10.1103/PhysRevLett.95.103902
Publication status	Published - 2005 Sept 2

ASJC Scopus subject areas

General Physics and Astronomy

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10.1103/PhysRevLett.95.103902

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abstract = "We clarify the nature of coupling between surface plasmon polaritons (SPP) and transmitted light in metallic nanoslit structures. The coupling strength is found to be the product of the geometric opening ratio, the aperture momentum, and the Fabry-Perot factor. We determine the effective coupling, which includes corrections due to other SPPs, and show that this effective coupling causes enhanced transmission with redshifted or blueshifted transmission peaks. Without coupling, SPP is proven to suppress transmission due to the equipartition of diffraction orders. These results show good agreement with experiment.",

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AB - We clarify the nature of coupling between surface plasmon polaritons (SPP) and transmitted light in metallic nanoslit structures. The coupling strength is found to be the product of the geometric opening ratio, the aperture momentum, and the Fabry-Perot factor. We determine the effective coupling, which includes corrections due to other SPPs, and show that this effective coupling causes enhanced transmission with redshifted or blueshifted transmission peaks. Without coupling, SPP is proven to suppress transmission due to the equipartition of diffraction orders. These results show good agreement with experiment.

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Coupling of surface plasmon polaritons and light in metallic nanoslits

Abstract

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