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Journal of Nanophotonics • new

High-phase-speed Dyakonov–Tamm surface waves
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Paper Abstract

Two numerical studies, one based on a canonical boundary-value problem and the other based on a reflection–transmission problem, revealed that the propagation of high-phase-speed Dyakonov–Tamm (HPSDT) surface waves may be supported by the planar interface of a chiral sculptured thin film and a dissipative isotropic dielectric material. Furthermore, many distinct HPSDT surface waves may propagate in a specific direction, each with a phase speed exceeding the phase speed of plane waves that can propagate in the isotropic partnering material. Indeed, for the particular numerical example considered, the phase speed of an HPSDT surface wave could exceed the phase speed in the bulk isotropic dielectric material by a factor of as much as 10.

Paper Details

Date Published: 22 July 2017
PDF: 6 pages
J. Nanophoton. 11(3) 030501 doi: 10.1117/1.JNP.11.030501
Published in: Journal of Nanophotonics Volume 11, Issue 3
Show Author Affiliations
Tom G. Mackay, Univ. of Edinburgh (United Kingdom)
The Pennsylvania State Univ. (United States)
Akhlesh Lakhtakia, Pennsylvania State University (United States)

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