Dual-surface plasmon excitation with thin metallic nanoslits

Karabchevsky, Alina; Auslender, Mark; Abdulhalim, Ibrahim

doi:doi:10.1117/1.3609276

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Journal of Nanophotonics / Volume 5 / Special Section: Selected Papers from the 3rd Mediterranean Conference on Nanophotonics

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Dual-surface plasmon excitation with thin metallic nanoslits

J. Nanophoton. 5, 051821 (Jul 21, 2011); http://dx.doi.org/10.1117/1.3609276

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Abstract

References (34)

Citing Articles (1)

Alina Karabchevsky, Mark Auslender, and Ibrahim Abdulhalim

Ben Gurion University, Department of Electro-optic Engineering, Beer Sheva 84105, Israel

Based on the experimental results and comparison between analytical and rigorous calculations, we have found that dual-surface plasmon (SP) waves are excited at both interfaces of a periodic array of thin metallic nanoslits: one at the grating-substrate interface and one at the grating-superstrate interface. Dual plasmons are excited for each diffraction order at two different wavelengths when the substrate differs from the superstrate. The splitting of the plasmons was investigated as a function of the refractive index difference between the substrate and superstrate. Verification of the extended nature of the double SPs is presented by comparing the rigorous calculation and analytic dispersion relation of extended SPs.

History

Received Jan 31, 2011
Accepted Jun 16, 2011
Revised Jun 07, 2011
Published online Jul 21, 2011

Digital Object Identifier

http://dx.doi.org/10.1117/1.3609276

Citation

Alina Karabchevsky, Mark Auslender and Ibrahim Abdulhalim, "Dual-surface plasmon excitation with thin metallic nanoslits", J. Nanophoton. 5, 051821 (Jul 21, 2011); http://dx.doi.org/10.1117/1.3609276