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Experimental Observation of Localized Optical Excitations in Random Metal-Dielectric Films

Grésillon, S., Aigouy, L., Boccara, A. C., Rivoal, J. C., Quelin, X., Desmarest, C., Gadenne, P., Shubin, V. A., Sarychev, A. K., Shalaev, V. M.·1999·Physical Review Letters

Abstract

Localization of optical excitations within subwavelength areas of a random metal-dielectric film is observed using near-field scanning optical microscopy. This effect is attributed to Anderson localization of surface plasmon modes in a semicontinuous metal film. The localized modes are seen as giant fluctuations of local electric fields spatially concentrated in ``hot'' spots, where the fields are much greater than the applied field. The local near-field spectra consisting of strong resonance peaks are detected and shown to depend markedly on the sample site probed. The observed spectral peaks correspond to localized modes of random metal-dielectric films.

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Metadata

Authors
Grésillon, S., Aigouy, L., Boccara, A. C., Rivoal, J. C., Quelin, X., Desmarest, C., Gadenne, P., Shubin, V. A., Sarychev, A. K., & Shalaev, V. M.
Venue
Physical Review Letters
Published
1999-05-31
Volume
82
Issue
22
Pages
4520-4523
ISSN
  • 0031-9007 (ISSN-L)
  • 1079-7114
OpenAlex
W2058918489
Cited by
352
References
0
FWCI
18.92
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Experimental Observation of Localized Optical Excitations in Random Metal-Dielectric Films. https://app.cochat.ai/papers/10.1103/physrevlett.82.4520
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Grésillon, S., Aigouy, L., Boccara, A. C., Rivoal, J. C., Quelin, X., Desmarest, C., Gadenne, P., Shubin, V. A., Sarychev, A. K., & Shalaev, V. M. (1999). Experimental Observation of Localized Optical Excitations in Random Metal-Dielectric Films. Physical Review Letters. https://doi.org/10.1103/physrevlett.82.4520

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