Electromagnetic field fluctuations, Raman scattering, and optical nonlinearities in metal-dielectric films

Andrey K. Sarychev; Aandrey N. Lagarkov; Konstantin N. Rozanov; Nikolay A. Simonov

doi:10.1117/12.390576

30 June 2000 Electromagnetic field fluctuations, Raman scattering, and optical nonlinearities in metal-dielectric films

Andrey K. Sarychev, Aandrey N. Lagarkov, Konstantin N. Rozanov, Nikolay A. Simonov

Proceedings Volume 4097, Complex Mediums; (2000) https://doi.org/10.1117/12.390576
Event: International Symposium on Optical Science and Technology, 2000, San Diego, CA, United States

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.

Citation Download Citation

Andrey K. Sarychev, Aandrey N. Lagarkov, Konstantin N. Rozanov, and Nikolay A. Simonov "Electromagnetic field fluctuations, Raman scattering, and optical nonlinearities in metal-dielectric films", Proc. SPIE 4097, Complex Mediums, (30 June 2000); https://doi.org/10.1117/12.390576

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