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Nonlocal homogenization for nonlinear metamaterials

Gorlach, Maxim A; Voytova, Tatiana A; Lapine, Mikhail; Belov, Pavel; Kivshar, Yuri


We present a consistent theoretical approach for calculating effective nonlinear susceptibilities of metamaterials taking into account both frequency and spatial dispersion. Employing the discrete dipole model, we demonstrate that effects of spatial dispersion become especially pronounced in the vicinity of effective permittivity resonance where nonlinear susceptibilities reach their maxima. In that case spatial dispersion may enable simultaneous generation of two harmonic signals with the same...[Show more]

CollectionsANU Research Publications
Date published: 2016
Type: Journal article
Source: Physical Review B
DOI: 10.1103/PhysRevB.93.165125
Access Rights: Open Access


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