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Backward and forward modes guided by metal-dielectric-metal plasmonic waveguides

Davoyan, Artur; Shadrivov, Ilya; Bozhevolnyi, Sergey I; Kivshar, Yuri


We revisited the problem of the existence of plasmonic modes guided by metal-dielectric-metal slot waveguides. For the case of lossless slot waveguides, we classify the guided modes in the structure with the metal dispersion and found that, in a certain parameter range, three different guided modes coexist at a fixed frequency, two (symmetric and antisymmetric) forward propagating modes and the third, backward propagating antisymmetric mode. We study the properties of the forward and backward...[Show more]

CollectionsANU Research Publications
Date published: 2010
Type: Journal article
Source: Journal of Nanophotonics
DOI: 10.1117/1.3437397


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