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

E. Martínez Castellano; J. Tamayo-Arriola; M. Montes Bajo; A. Huerta-Barberà; E. Muñoz; V. Muñoz-Sanjosé; A. Hierro

doi:10.1117/12.2547481

5 March 2020 CdZnO/sapphire as a plasmonic metamaterial: surface plasmon-phonon polariton hibridation

E. Martínez Castellano, J. Tamayo-Arriola, M. Montes Bajo, A. Huerta-Barberà, E. Muñoz, V. Muñoz-Sanjosé, A. Hierro

Proceedings Volume 11281, Oxide-based Materials and Devices XI; 1128116 (2020) https://doi.org/10.1117/12.2547481
Event: SPIE OPTO, 2020, San Francisco, California, United States

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.

Citation Download Citation

E. Martínez Castellano, J. Tamayo-Arriola, M. Montes Bajo, A. Huerta-Barberà, E. Muñoz, V. Muñoz-Sanjosé, and A. Hierro "CdZnO/sapphire as a plasmonic metamaterial: surface plasmon-phonon polariton hibridation", Proc. SPIE 11281, Oxide-based Materials and Devices XI, 1128116 (5 March 2020); https://doi.org/10.1117/12.2547481

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