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Transparent conducting oxides for active hybrid metamaterial devices

Transparent conducting oxides for active hybrid metamaterial devices
Transparent conducting oxides for active hybrid metamaterial devices
We present here a study of the combined nonlinear response of plasmonic antenna—transparent conducting oxide hybrids for activation of metamaterial devices. Nanoantenna layers consisting of randomly positioned gold nanodisk dimers are fabricated using hole-mask lithography. The nanoantenna layers are covered with a 20 nm thin layer of transparent conducting oxide (TCO). We investigate the response of atomic layer deposited aluminum-doped zinc oxide (AZO) next to indium–tin oxide (ITO) produced using sputter coating. We show that our results are in agreement with the hypothesis of fast electron-mediated cooling, facilitated by the Ohmic interface between the gold nanodisks and the TCO substrate, which appears a universal mechanism for providing a new hybrid functionality to active metamaterial devices
2040-8986
114007
Abb, Martina
96f778af-f51a-464e-8e73-dfa24b4132de
Sepúlveda, Borja
0d49ff70-2326-4c72-885c-146d62a9e946
Chong, Harold M.H.
795aa67f-29e5-480f-b1bc-9bd5c0d558e1
Muskens, Otto L.
2284101a-f9ef-4d79-8951-a6cda5bfc7f9
Abb, Martina
96f778af-f51a-464e-8e73-dfa24b4132de
Sepúlveda, Borja
0d49ff70-2326-4c72-885c-146d62a9e946
Chong, Harold M.H.
795aa67f-29e5-480f-b1bc-9bd5c0d558e1
Muskens, Otto L.
2284101a-f9ef-4d79-8951-a6cda5bfc7f9

Abb, Martina, Sepúlveda, Borja, Chong, Harold M.H. and Muskens, Otto L. (2012) Transparent conducting oxides for active hybrid metamaterial devices. Journal of Optics, 14 (11), 114007.

Record type: Article

Abstract

We present here a study of the combined nonlinear response of plasmonic antenna—transparent conducting oxide hybrids for activation of metamaterial devices. Nanoantenna layers consisting of randomly positioned gold nanodisk dimers are fabricated using hole-mask lithography. The nanoantenna layers are covered with a 20 nm thin layer of transparent conducting oxide (TCO). We investigate the response of atomic layer deposited aluminum-doped zinc oxide (AZO) next to indium–tin oxide (ITO) produced using sputter coating. We show that our results are in agreement with the hypothesis of fast electron-mediated cooling, facilitated by the Ohmic interface between the gold nanodisks and the TCO substrate, which appears a universal mechanism for providing a new hybrid functionality to active metamaterial devices

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More information

Published date: 27 July 2012
Organisations: Quantum, Light & Matter Group

Identifiers

Local EPrints ID: 346558
URI: https://eprints.soton.ac.uk/id/eprint/346558
ISSN: 2040-8986
PURE UUID: b72c9a82-ece5-4729-a800-44ebae539663
ORCID for Martina Abb: ORCID iD orcid.org/0000-0003-3996-3931
ORCID for Harold M.H. Chong: ORCID iD orcid.org/0000-0002-7110-5761
ORCID for Otto L. Muskens: ORCID iD orcid.org/0000-0003-0693-5504

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Date deposited: 03 Jan 2013 10:21
Last modified: 06 Jun 2018 12:37

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