Observation of the Dyakonov-Tamm wave

Drew Patrick Pulsifer, Muhammad Faryad, Akhlesh Lakhtakia

Research output: Contribution to journalArticle

30 Citations (Scopus)

Abstract

A surface electromagnetic wave called the Dyakonov-Tamm wave has been theoretically predicted to exist at the interface of two dielectric materials at least one of which is both anisotropic and periodically nonhomogeneous. For experimental confirmation, a prism-coupled configuration was used to excite Dyakonov-Tamm waves guided by the interface of a dense thin film of magnesium fluoride and a chiral sculptured thin film of zinc selenide. The excitation was indicated by a reflection dip (with respect to the angle of incidence in the prism-coupled configuration) that is independent of the polarization state of the incident light as well as the thicknesses of both partnering materials beyond some thresholds. Applications to optical sensing and long-range on-chip communication are expected.

Original languageEnglish (US)
Article number243902
JournalPhysical Review Letters
Volume111
Issue number24
DOIs
StatePublished - Dec 9 2013

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prisms
magnesium fluorides
electromagnetic surface waves
zinc selenides
thin films
configurations
incidence
communication
chips
thresholds
polarization
excitation

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

Pulsifer, Drew Patrick ; Faryad, Muhammad ; Lakhtakia, Akhlesh. / Observation of the Dyakonov-Tamm wave. In: Physical Review Letters. 2013 ; Vol. 111, No. 24.
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Observation of the Dyakonov-Tamm wave. / Pulsifer, Drew Patrick; Faryad, Muhammad; Lakhtakia, Akhlesh.

In: Physical Review Letters, Vol. 111, No. 24, 243902, 09.12.2013.

Research output: Contribution to journalArticle

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