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A tuneable telecom wavelength entangled light emitting diode deployed in an installed fibre network

Zi-Heng Xiang, Jan Huwer, Joanna Skiba-Szymanska, R. Mark Stevenson, David J. P. Ellis, Ian Farrer, Martin B. Ward, David Ritchie Orcid Logo, Andrew J. Shields

Communications Physics, Volume: 3, Issue: 1

Swansea University Author: David Ritchie Orcid Logo

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DOI (Published version): 10.1038/s42005-020-0390-7

Abstract

Entangled light emitting diodes based on semiconductor quantum dots are promising devices for security sensitive quantum network applications, thanks to their natural lack of multi photon-pair generation. Apart from telecom wavelength emission, network integrability of these sources ideally requires...

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Published in: Communications Physics
ISSN: 2399-3650
Published: Springer Science and Business Media LLC 2020
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URI: https://cronfa.swan.ac.uk/Record/cronfa57846
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first_indexed 2021-09-15T14:17:15Z
last_indexed 2023-01-11T14:38:01Z
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spelling 2022-10-27T09:07:35.6611339 v2 57846 2021-09-10 A tuneable telecom wavelength entangled light emitting diode deployed in an installed fibre network e943ea127ff7b7771c2b27c15b96c6fa 0000-0002-9844-8350 David Ritchie David Ritchie true false 2021-09-10 SPH Entangled light emitting diodes based on semiconductor quantum dots are promising devices for security sensitive quantum network applications, thanks to their natural lack of multi photon-pair generation. Apart from telecom wavelength emission, network integrability of these sources ideally requires electrical operation for deployment in compact systems in the field. For multiplexing of entangled photons with classical data traffic, emission in the telecom O-band and tuneability to the nearest wavelength channel in compliance with coarse wavelength division multiplexing standards (20 nm channel spacing) is highly desirable. Here we show a fully electrically operated telecom entangled light emitting diode with wavelength tuneability of more than 25 nm, deployed in an installed fibre network. With the source tuned to 1310.00 nm, we demonstrate multiplexing of true single entangled photons with classical data traffic and achieve entanglement fidelities above 94% on an installed fibre in a city. Journal Article Communications Physics 3 1 Springer Science and Business Media LLC 2399-3650 3 7 2020 2020-07-03 10.1038/s42005-020-0390-7 COLLEGE NANME Physics COLLEGE CODE SPH Swansea University 2022-10-27T09:07:35.6611339 2021-09-10T17:10:36.8935502 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Physics Zi-Heng Xiang 1 Jan Huwer 2 Joanna Skiba-Szymanska 3 R. Mark Stevenson 4 David J. P. Ellis 5 Ian Farrer 6 Martin B. Ward 7 David Ritchie 0000-0002-9844-8350 8 Andrew J. Shields 9 57846__20825__4585e5c5259444ea8cd89b49f8e7da43.pdf s42005-020-0390-7.pdf 2021-09-10T17:13:02.5275841 Output 3242118 application/pdf Version of Record true © The Author(s) 2020. This article is licensed under a Creative Commons Attribution 4.0 International License true eng http://creativecommons.org/licenses/by/4.0/
title A tuneable telecom wavelength entangled light emitting diode deployed in an installed fibre network
spellingShingle A tuneable telecom wavelength entangled light emitting diode deployed in an installed fibre network
David Ritchie
title_short A tuneable telecom wavelength entangled light emitting diode deployed in an installed fibre network
title_full A tuneable telecom wavelength entangled light emitting diode deployed in an installed fibre network
title_fullStr A tuneable telecom wavelength entangled light emitting diode deployed in an installed fibre network
title_full_unstemmed A tuneable telecom wavelength entangled light emitting diode deployed in an installed fibre network
title_sort A tuneable telecom wavelength entangled light emitting diode deployed in an installed fibre network
author_id_str_mv e943ea127ff7b7771c2b27c15b96c6fa
author_id_fullname_str_mv e943ea127ff7b7771c2b27c15b96c6fa_***_David Ritchie
author David Ritchie
author2 Zi-Heng Xiang
Jan Huwer
Joanna Skiba-Szymanska
R. Mark Stevenson
David J. P. Ellis
Ian Farrer
Martin B. Ward
David Ritchie
Andrew J. Shields
format Journal article
container_title Communications Physics
container_volume 3
container_issue 1
publishDate 2020
institution Swansea University
issn 2399-3650
doi_str_mv 10.1038/s42005-020-0390-7
publisher Springer Science and Business Media LLC
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Biosciences, Geography and Physics - Physics{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Biosciences, Geography and Physics - Physics
document_store_str 1
active_str 0
description Entangled light emitting diodes based on semiconductor quantum dots are promising devices for security sensitive quantum network applications, thanks to their natural lack of multi photon-pair generation. Apart from telecom wavelength emission, network integrability of these sources ideally requires electrical operation for deployment in compact systems in the field. For multiplexing of entangled photons with classical data traffic, emission in the telecom O-band and tuneability to the nearest wavelength channel in compliance with coarse wavelength division multiplexing standards (20 nm channel spacing) is highly desirable. Here we show a fully electrically operated telecom entangled light emitting diode with wavelength tuneability of more than 25 nm, deployed in an installed fibre network. With the source tuned to 1310.00 nm, we demonstrate multiplexing of true single entangled photons with classical data traffic and achieve entanglement fidelities above 94% on an installed fibre in a city.
published_date 2020-07-03T04:13:53Z
_version_ 1763753940768260096
score 11.012678

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