A Link Between Superconducting Transition and Optical Range Plasmonics of Niobium
A Link Between Superconducting Transition and Optical Range Plasmonics of Niobium
Superconductivity is commonly expected to be insignificant in optics, where photon energy is orders of magnitude higher than the binding energy of the Cooper pairs, the superconducting charge carriers. By studying optical range plasmonic response of niobium, a conventional low-temperature superconductor, we show that, contrary to this expectation, superconductivity does affect plasmonic behaviour at optical frequencies. Our results shed a new light on properties of superconductors, suggesting that superconductivity may play a role in forming the optical dielectric response near the superconducting transition.
Liao, C. Y.
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Krishnamoorthy, H. N. S.
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Savinov, Vassili
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Ou, Jun-Yu
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Huang, C.
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Adamo, G.
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Plum, Eric
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MacDonald, Kevin F.
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Chong, Y. D.
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Soci, C.
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Kusmartzev, F. V.
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Tsai, D. P.
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Zheludev, Nikolay I.
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6 August 2017
Liao, C. Y.
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Krishnamoorthy, H. N. S.
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Savinov, Vassili
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Ou, Jun-Yu
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Huang, C.
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Adamo, G.
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Plum, Eric
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MacDonald, Kevin F.
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Chong, Y. D.
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Soci, C.
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Kusmartzev, F. V.
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Tsai, D. P.
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Zheludev, Nikolay I.
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Liao, C. Y., Krishnamoorthy, H. N. S., Savinov, Vassili, Ou, Jun-Yu, Huang, C., Adamo, G., Plum, Eric, MacDonald, Kevin F., Chong, Y. D., Soci, C., Kusmartzev, F. V., Tsai, D. P. and Zheludev, Nikolay I.
(2017)
A Link Between Superconducting Transition and Optical Range Plasmonics of Niobium.
SPIE Optics + Photonics: Liquid Crystals XXI, San Diego Convention Center, San Diego, California, United States.
06 - 10 Aug 2017.
Record type:
Conference or Workshop Item
(Other)
Abstract
Superconductivity is commonly expected to be insignificant in optics, where photon energy is orders of magnitude higher than the binding energy of the Cooper pairs, the superconducting charge carriers. By studying optical range plasmonic response of niobium, a conventional low-temperature superconductor, we show that, contrary to this expectation, superconductivity does affect plasmonic behaviour at optical frequencies. Our results shed a new light on properties of superconductors, suggesting that superconductivity may play a role in forming the optical dielectric response near the superconducting transition.
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superconductor plasmonics.pdf
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Published date: 6 August 2017
Venue - Dates:
SPIE Optics + Photonics: Liquid Crystals XXI, San Diego Convention Center, San Diego, California, United States, 2017-08-06 - 2017-08-10
Identifiers
Local EPrints ID: 405435
URI: http://eprints.soton.ac.uk/id/eprint/405435
PURE UUID: ffa6a40b-a964-4703-8392-ffc6728cdfe8
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Date deposited: 03 Feb 2017 14:20
Last modified: 16 Mar 2024 04:07
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Contributors
Author:
C. Y. Liao
Author:
H. N. S. Krishnamoorthy
Author:
Vassili Savinov
Author:
Jun-Yu Ou
Author:
C. Huang
Author:
G. Adamo
Author:
Y. D. Chong
Author:
C. Soci
Author:
F. V. Kusmartzev
Author:
D. P. Tsai
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