Experimental observation of Dyakonov plasmons in the mid-infrared

Osamu Takayama, P. Dmitriev, Evgeniy Shkondin, O. Yermakov, M. Panah, K. Golenitskii, F. Jensen, A. Bodganov*, Andrei Lavrinenko

*Corresponding author for this work

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Abstract

In this work, we report on observation of Dyakonov plasmons at an interface with a hyperbolic metamaterial in the mid-IR. The hyperbolic metamaterial is implemented as a CMOS-compatible high aspect ratio grating structure with aluminium-doped ZnO (AZO) ridges grown by atomic layer deposition in deep trench silicon matrix. The dispersion of Dyakonov plasmons is characterized by the attenuated total reflection method in the Otto configuration. We demonstrate that Dyakonov plasmons propagate in a broad range of directions (a few tens of degrees) in contrast to the classical Dyakonov surface waves (about one tenth of degree). The obtained results provide useful guidelines for practical implementations of structures supporting Dyakonov plasmons in the mid-IR.
Original languageEnglish
JournalSemiconductors
Volume52
Issue number4
Pages (from-to)442–446
ISSN1063-7826
DOIs
Publication statusPublished - 2018
EventNanostructures: Physics and Technology - Saint Petersburg Academic University, Saint Petersburg, Russian Federation
Duration: 26 Jun 201730 Jun 2017
Conference number: XXV International Symposium

Conference

ConferenceNanostructures: Physics and Technology
NumberXXV International Symposium
LocationSaint Petersburg Academic University
Country/TerritoryRussian Federation
CitySaint Petersburg
Period26/06/201730/06/2017

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