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Microscopic model of Purcell enhancement in hyperbolic metamaterials

Poddubny, Alexander N; Belov, Pavel A; Ginzburg, Pavel; Zayats, Anatoly V; Kivshar, Yuri


We study theoretically the dramatic enhancement of spontaneous emission in metamaterials with the hyperbolic dispersion modeled as a cubic lattice of anisotropic resonant dipoles. We analyze the dependence of the Purcell factor on the source position in the lattice unit cell and demonstrate that the optimal emitter positions needed to achieve large Purcell factors and Lamb shifts are in the local field maxima. We show that the calculated Green function has a characteristic crosslike shape,...[Show more]

CollectionsANU Research Publications
Date published: 2012
Type: Journal article
Source: Physical Review B
DOI: 10.1103/PhysRevB.86.035148
Access Rights: Open Access


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