Plasmon stimulated emission in arrays of bimetallic structures coated with dye-doped dielectric

A. Krishnan; S. P. Frisbie; L. Grave De Peralta; A. A. Bernussi

doi:10.1063/1.3361654

Plasmon stimulated emission in arrays of bimetallic structures coated with dye-doped dielectric

A. Krishnan, S. P. Frisbie, L. Grave De Peralta, A. A. Bernussi

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

20 Scopus citations

Abstract

We report results on the propagation modes in plasmonic structures incorporating a gain medium using Fourier-plane leakage radiation microscopy. We demonstrate that high contrast images and detailed mode propagation information can be obtained with arrays of dielectric loaded surface plasmon waveguides. Clear interference effects were observed in the Fourier-plane images corresponding to arrays of bimetallic stripes coated with a gain material. This indicates coherent superposition of leaked fluorescence from coupled adjacent waveguides as a result of plasmon stimulated emission.

Original language	English
Article number	111104
Journal	Applied Physics Letters
Volume	96
Issue number	11
DOIs	https://doi.org/10.1063/1.3361654
State	Published - 2010

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abstract = "We report results on the propagation modes in plasmonic structures incorporating a gain medium using Fourier-plane leakage radiation microscopy. We demonstrate that high contrast images and detailed mode propagation information can be obtained with arrays of dielectric loaded surface plasmon waveguides. Clear interference effects were observed in the Fourier-plane images corresponding to arrays of bimetallic stripes coated with a gain material. This indicates coherent superposition of leaked fluorescence from coupled adjacent waveguides as a result of plasmon stimulated emission.",

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AB - We report results on the propagation modes in plasmonic structures incorporating a gain medium using Fourier-plane leakage radiation microscopy. We demonstrate that high contrast images and detailed mode propagation information can be obtained with arrays of dielectric loaded surface plasmon waveguides. Clear interference effects were observed in the Fourier-plane images corresponding to arrays of bimetallic stripes coated with a gain material. This indicates coherent superposition of leaked fluorescence from coupled adjacent waveguides as a result of plasmon stimulated emission.

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