Suppression of losses in negative refractive index metamaterials by means of bichromatic parametric irradiation

Adil-Gerai Kussow; Alkim Akyurtlu

doi:10.1117/1.JNP.6.063506

23 March 2012 Suppression of losses in negative refractive index metamaterials by means of bichromatic parametric irradiation

Adil-Gerai Kussow, Alkim Akyurtlu

Author Affiliations +

Journal of Nanophotonics, Vol. 6, Issue 1, 063506 (March 2012). https://doi.org/10.1117/1.JNP.6.063506

Abstract

If two parametrically-coupled fields, with the frequency of the probe p wave twice the frequency of the support s wave, are applied to a metal plasma, the non-linearity of the Boltzmann equation affects the permittivity. Based on the solution of the Boltzmann equation for the bichromatic problem, an analytical expression for the permittivity was derived. The amplitudes and the relative phase of the p and s waves can be adjusted to suppress the dielectric loss to almost zero within a narrow frequency band. If this frequency band overlaps with a negative-refractive-index band of a composite metamaterial, which contains a metallic component, the optical losses can be reduced by a factor of ∼ 30, with a figure of merit exceeding 100. An isotropic metamaterial comprising spherical Au and SiC nanoparticles can show that effect.

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Adil-Gerai Kussow and Alkim Akyurtlu "Suppression of losses in negative refractive index metamaterials by means of bichromatic parametric irradiation," Journal of Nanophotonics 6(1), 063506 (23 March 2012). https://doi.org/10.1117/1.JNP.6.063506

Published: 23 March 2012

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