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Superconducting analogue of optical plasmonic waveguides

Superconducting analogue of optical plasmonic waveguides
Superconducting analogue of optical plasmonic waveguides
We demonstrate a direct analogy between electromagnetic properties of superconductors at frequencies up to 6 THz (superconducting gap) and plasmonic metals in the optical part of the spectrum. We also identify the existence of a surface bound mode in superconducting waveguide structures, "superconducting plasmon", that closely connected to surface plasmon polaritons in the noble metals. This is a peculiar low-frequency, low-loss mode that can be guided for tens of centimetres and confined on the scale of just few tens of nanometres, demonstrating an incredible application potential.
Tsiatmas, Anagnostis
dcdf5850-3825-490d-9dd2-4114d4e2e4b2
Fedotov, Vassili A.
3725f5cc-2d0b-4e61-95c5-26d187c84f25
Zheludev, Nikolay
32fb6af7-97e4-4d11-bca6-805745e40cc6
Tsiatmas, Anagnostis
dcdf5850-3825-490d-9dd2-4114d4e2e4b2
Fedotov, Vassili A.
3725f5cc-2d0b-4e61-95c5-26d187c84f25
Zheludev, Nikolay
32fb6af7-97e4-4d11-bca6-805745e40cc6

Tsiatmas, Anagnostis, Fedotov, Vassili A. and Zheludev, Nikolay (2011) Superconducting analogue of optical plasmonic waveguides. European Quantum Electronics Conference (EQEC), Munich, Germany. 22 - 26 May 2011.

Record type: Conference or Workshop Item (Paper)

Abstract

We demonstrate a direct analogy between electromagnetic properties of superconductors at frequencies up to 6 THz (superconducting gap) and plasmonic metals in the optical part of the spectrum. We also identify the existence of a surface bound mode in superconducting waveguide structures, "superconducting plasmon", that closely connected to surface plasmon polaritons in the noble metals. This is a peculiar low-frequency, low-loss mode that can be guided for tens of centimetres and confined on the scale of just few tens of nanometres, demonstrating an incredible application potential.

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More information

e-pub ahead of print date: 22 May 2011
Additional Information: EJ1.6
Venue - Dates: European Quantum Electronics Conference (EQEC), Munich, Germany, 2011-05-22 - 2011-05-26
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 341552
URI: https://eprints.soton.ac.uk/id/eprint/341552
PURE UUID: ddb9cd55-e07b-47c5-9db2-c119f866659b
ORCID for Nikolay Zheludev: ORCID iD orcid.org/0000-0002-1013-6636

Catalogue record

Date deposited: 27 Jul 2012 08:27
Last modified: 23 Aug 2019 00:38

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Contributors

Author: Anagnostis Tsiatmas

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