Optical modulation processes in thin films based on thermal effects of surface plasmons

A. L. Lereu; A. Passian; J. P. Goudonnet; T. Thundat; T. L. Ferrell

doi:10.1063/1.1900311

Optical modulation processes in thin films based on thermal effects of surface plasmons

A. L. Lereu, A. Passian, J. P. Goudonnet, T. Thundat, T. L. Ferrell

Quantum Sensing and Computing

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Abstract

Experimental results are presented for light-on-light modulation at low rates using coupling to nonradiative surface plasmons and their associated thermal effects in a thin gold foil. It is first shown that several modulated Gaussian beams simultaneously exciting surface plasmons in the same region of a thin gold film, will result in a coupling that is revealed in the reflected beams. The observed effects result in the reflected beams undergoing changes in both spatial distribution and intensity levels. A brief study is then presented of the coupling between surface plasmons and an electrical current in the excitation region to further support the role of the surface plasmon induced thermal processes in the gold foil.

Original language	English
Article number	154101
Pages (from-to)	1-3
Number of pages	3
Journal	Applied Physics Letters
Volume	86
Issue number	15
DOIs	https://doi.org/10.1063/1.1900311
State	Published - 2005

Funding

This work was supported in part by a contract with R&D Limited Liability Partnerships, Inc., and the suggestion of potential applications to the optical communications field involving the standing surface plasmons concepts are gratefully acknowledged (Ref. ). This work was also supported by the Defense Advanced Research Projects Agency under BAA 99-32 for development of a controllable diffraction element for spectroscopy using standing surface plasmons.

Funders	Funder number
Defense Advanced Research Projects Agency	BAA 99-32

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10.1063/1.1900311

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abstract = "Experimental results are presented for light-on-light modulation at low rates using coupling to nonradiative surface plasmons and their associated thermal effects in a thin gold foil. It is first shown that several modulated Gaussian beams simultaneously exciting surface plasmons in the same region of a thin gold film, will result in a coupling that is revealed in the reflected beams. The observed effects result in the reflected beams undergoing changes in both spatial distribution and intensity levels. A brief study is then presented of the coupling between surface plasmons and an electrical current in the excitation region to further support the role of the surface plasmon induced thermal processes in the gold foil.",

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AU - Passian, A.

AU - Goudonnet, J. P.

AU - Thundat, T.

AU - Ferrell, T. L.

PY - 2005

Y1 - 2005

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AB - Experimental results are presented for light-on-light modulation at low rates using coupling to nonradiative surface plasmons and their associated thermal effects in a thin gold foil. It is first shown that several modulated Gaussian beams simultaneously exciting surface plasmons in the same region of a thin gold film, will result in a coupling that is revealed in the reflected beams. The observed effects result in the reflected beams undergoing changes in both spatial distribution and intensity levels. A brief study is then presented of the coupling between surface plasmons and an electrical current in the excitation region to further support the role of the surface plasmon induced thermal processes in the gold foil.

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ER -

Optical modulation processes in thin films based on thermal effects of surface plasmons

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