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A Link Between Superconducting Transition and Optical Range Plasmonics of Niobium

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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Liao, C. Y.
dac84f98-82c5-41d8-94d7-9da03c2ed047
Krishnamoorthy, H. N. S.
2073dc90-c3d3-43f0-a5dc-9a6bf1ac824a
Savinov, Vassili
147c7954-4636-4438-a305-cd78539f7c0a
Ou, Jun-Yu
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Huang, C.
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Adamo, G.
a614528b-81c3-4f38-a709-5e582b03e7d2
Plum, Eric
50761a26-2982-40df-9153-7aecc4226eb5
MacDonald, Kevin F.
76c84116-aad1-4973-b917-7ca63935dba5
Chong, Y. D.
94e6a1e7-4ea7-4dfa-b361-dc593883e2d3
Soci, C.
6e631c6a-0cd5-41f7-ab48-665f09d2f010
Kusmartzev, F. V.
55f12ff9-2d7d-48d0-8aff-4785f8b26f79
Tsai, D. P.
ac188460-c076-41ee-bce4-7aa873f757e3
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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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
ORCID for Vassili Savinov: ORCID iD orcid.org/0000-0001-7203-7222
ORCID for Jun-Yu Ou: ORCID iD orcid.org/0000-0001-8028-6130
ORCID for Eric Plum: ORCID iD orcid.org/0000-0002-1552-1840
ORCID for Kevin F. MacDonald: ORCID iD orcid.org/0000-0002-3877-2976
ORCID for Nikolay I. Zheludev: ORCID iD orcid.org/0000-0002-1013-6636

Catalogue record

Date deposited: 03 Feb 2017 14:20
Last modified: 22 Nov 2021 05:07

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Contributors

Author: C. Y. Liao
Author: H. N. S. Krishnamoorthy
Author: Vassili Savinov ORCID iD
Author: Jun-Yu Ou ORCID iD
Author: C. Huang
Author: G. Adamo
Author: Eric Plum ORCID iD
Author: Y. D. Chong
Author: C. Soci
Author: F. V. Kusmartzev
Author: D. P. Tsai

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