High-phase-speed Dyakonov–Tamm surface waves

Tom G. Mackay; Akhlesh Lakhtakia

doi:10.1117/1.JNP.11.030501

22 July 2017 High-phase-speed Dyakonov–Tamm surface waves

Tom G. Mackay, Akhlesh Lakhtakia

Author Affiliations +

Journal of Nanophotonics, Vol. 11, Issue 3, 030501 (July 2017). https://doi.org/10.1117/1.JNP.11.030501

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.

Citation Download Citation

Tom G. Mackay and Akhlesh Lakhtakia "High-phase-speed Dyakonov–Tamm surface waves," Journal of Nanophotonics 11(3), 030501 (22 July 2017). https://doi.org/10.1117/1.JNP.11.030501

Received: 8 May 2017; Accepted: 28 June 2017; Published: 22 July 2017

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