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Low-loss terahertz superconducting plasmonics

Low-loss terahertz superconducting plasmonics
Low-loss terahertz superconducting plasmonics
In the plasmonic regime, an electromagnetic wave bounded to the surface of a conductor can be confined to a region much smaller than its wavelength in free space. A major problem of plasmonic technology, however, is associated with large losses that these surface modes exhibit, intimately linked to Ohmic resistance of metals. In this work, we show that due to their dominant kinetic inductance, superconductors are intriguing yet natural plasmonic media capable of supporting low-loss plasmon waves with extreme confinement and the potential to serve as information carriers in compact terahertz data processing circuits.
Tsiatmas, Anagnostis
dcdf5850-3825-490d-9dd2-4114d4e2e4b2
Fedotov, Vassili A.
3725f5cc-2d0b-4e61-95c5-26d187c84f25
García de Abajo, F.Javier
07e3df24-ab3b-4a70-af18-188db066aa1a
Zheludev, Nikolay I.
32fb6af7-97e4-4d11-bca6-805745e40cc6
Tsiatmas, Anagnostis
dcdf5850-3825-490d-9dd2-4114d4e2e4b2
Fedotov, Vassili A.
3725f5cc-2d0b-4e61-95c5-26d187c84f25
García de Abajo, F.Javier
07e3df24-ab3b-4a70-af18-188db066aa1a
Zheludev, Nikolay I.
32fb6af7-97e4-4d11-bca6-805745e40cc6

Tsiatmas, Anagnostis, Fedotov, Vassili A., García de Abajo, F.Javier and Zheludev, Nikolay I. (2012) Low-loss terahertz superconducting plasmonics. New Journal of Physics, 14 (11). (doi:10.1088/1367-2630/14/11/115006).

Record type: Article

Abstract

In the plasmonic regime, an electromagnetic wave bounded to the surface of a conductor can be confined to a region much smaller than its wavelength in free space. A major problem of plasmonic technology, however, is associated with large losses that these surface modes exhibit, intimately linked to Ohmic resistance of metals. In this work, we show that due to their dominant kinetic inductance, superconductors are intriguing yet natural plasmonic media capable of supporting low-loss plasmon waves with extreme confinement and the potential to serve as information carriers in compact terahertz data processing circuits.

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More information

Published date: November 2012
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 349935
URI: https://eprints.soton.ac.uk/id/eprint/349935
PURE UUID: c468e49d-fc89-45b3-8983-75657cea015e
ORCID for Nikolay I. Zheludev: ORCID iD orcid.org/0000-0002-1013-6636

Catalogue record

Date deposited: 15 Mar 2013 09:00
Last modified: 19 Nov 2019 02:00

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Contributors

Author: Anagnostis Tsiatmas
Author: F.Javier García de Abajo

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