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Vortex-based single-photon response in nanostructured superconducting detectors


Semenov, A D; Haas, P; Hübers, H W; Il'in, K; Siegel, M; Kirste, A; Schurig, T; Engel, A (2008). Vortex-based single-photon response in nanostructured superconducting detectors. Physica C: Superconductivity, 468(7-10):627-630.

Abstract

In nanostructured superconducting films interaction of magnetic vortices with radiation quanta provides an additional mechanism of radiation detection. Below the Kosterlitz–Thouless topological transition, absorbed photon may cause vibration of vortex–antivortex paires and/or pinned vortices or weakening the superconductivity that facilitates thermal depinning of single vortices, dissociation of pairs or vortex entry. We present experimental indications of vortex-based detection mechanism in superconducting nanowire single-photon detectors.

Abstract

In nanostructured superconducting films interaction of magnetic vortices with radiation quanta provides an additional mechanism of radiation detection. Below the Kosterlitz–Thouless topological transition, absorbed photon may cause vibration of vortex–antivortex paires and/or pinned vortices or weakening the superconductivity that facilitates thermal depinning of single vortices, dissociation of pairs or vortex entry. We present experimental indications of vortex-based detection mechanism in superconducting nanowire single-photon detectors.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Physics Institute
Dewey Decimal Classification:530 Physics
Language:English
Date:1 April 2008
Deposited On:04 Feb 2009 13:46
Last Modified:05 Apr 2016 12:51
Publisher:Elsevier
ISSN:0921-4534
Publisher DOI:https://doi.org/10.1016/j.physc.2007.11.028

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