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Proceedings Paper

CdZnO/sapphire as a plasmonic metamaterial: surface plasmon-phonon polariton hibridation
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Paper Abstract

Transparent Conductive Oxides (TCOs) have been described as a promising alternative to metals for IR plasmonics. However, low propagation of surface plasmons is a major shortcoming limiting the potential of these materials in waveguiding-related applications. As a proof of concept, we propose using polar plasmonic substrates as a method to overcome this issue. In this study, we demonstrate the existence of hybrid phonon-plasmon surface waves in an air-CdZnO-sapphire system and characterize their properties, including an improved propagation distance when compared to a plasmonic-only equivalent system.

Paper Details

Date Published: 5 March 2020
PDF: 8 pages
Proc. SPIE 11281, Oxide-based Materials and Devices XI, 1128116 (5 March 2020); doi: 10.1117/12.2547481
Show Author Affiliations
E. Martínez Castellano, Univ. Politécnica de Madrid (Spain)
J. Tamayo-Arriola, Univ. Politécnica de Madrid (Spain)
M. Montes Bajo, Univ. Politécnica de Madrid (Spain)
A. Huerta-Barberà, Univ. de València (Spain)
E. Muñoz, Univ. Politécnica de Madrid (Spain)
V. Muñoz-Sanjosé, Univ. de València (Spain)
A. Hierro, Univ. Politécnica de Madrid (Spain)

Published in SPIE Proceedings Vol. 11281:
Oxide-based Materials and Devices XI
David J. Rogers; David C. Look; Ferechteh H. Teherani, Editor(s)

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