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Proceedings Paper

Electromagnetic field fluctuations, Raman scattering, and optical nonlinearities in metal-dielectric films
Author(s): Andrey K. Sarychev; Aandrey N. Lagarkov; Konstantin N. Rozanov; Nikolay A. Simonov
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Paper Abstract

A theory of optical, infrared, and microwave response of metal- dielectric inhomogeneous films is developed. The generalized Ohm's law is formulated. In this approach electric and magnetic fields outside a film can be related to the currents inside the film. Our computer simulations, show that the local electric and magnetic fields experience giant spatial fluctuations. The fields are localized in small spatially separated peaks: electric and magnetic hot spots. In these hot spots the local fields (both electric and magnetic) exceed the applied field by several orders of magnitude. The high-order field moments that characterize the average enhancement of Raman scattering and nonlinear optical processes are very large and frequency independent in a wide spectral range.

Paper Details

Date Published: 30 June 2000
PDF: 12 pages
Proc. SPIE 4097, Complex Mediums, (30 June 2000); doi: 10.1117/12.390576
Show Author Affiliations
Andrey K. Sarychev, Ctr. for Applied Problems of Electrodynamics (United States)
Aandrey N. Lagarkov, Ctr. for Applied Problems of Electrodynamics (Russia)
Konstantin N. Rozanov, Ctr. for Applied Problems of Electrodynamics (Russia)
Nikolay A. Simonov, Ctr. for Applied Problems of Electrodynamics (Russia)

Published in SPIE Proceedings Vol. 4097:
Complex Mediums
Akhlesh Lakhtakia; Werner S. Weiglhofer; Russell F. Messier, Editor(s)

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