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Adiabatic nanofocusing of the fundamental modes in plasmonic parabolic potentials

Wei, Liu


We investigate the adiabatic nanofocusing of the fundamental modes in plasmonic parabolic potentials. The potentials are obtained in the metal–dielectric–metal structure, of which the dielectric layer width is modulated quadratically in the horizontal direction and linearly in the longitudinal direction. In such a structure, light is compressed in both transverse directions due to increasingly stronger parabolic potentials and decreasing dielectric layer width. We show by both closed form...[Show more]

CollectionsANU Research Publications
Date published: 2015
Type: Journal article
Source: Optics Communications
DOI: 10.1016/j.optcom.2015.02.019


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