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Coexistence of a quantum QKD channel and 4×100 Gbps classical channels in nested antiresonant nodeless hollow core fibre

Coexistence of a quantum QKD channel and 4×100 Gbps classical channels in nested antiresonant nodeless hollow core fibre
Coexistence of a quantum QKD channel and 4×100 Gbps classical channels in nested antiresonant nodeless hollow core fibre
We demonstrated for the first time a coexistence between a quantum QKD channel and 4×100 Gbps pm-qpsk carrier-grade classical optical channels in a 2 km Nested Antiresonant Nodeless Hollow Core fibre. Our results show a drop of less than 10% in the Secret Key Rate (SKR) when using a HCF compared to a significant drop of 97% in the SKR when quantum and classical signals coexist on a single core of a Multicore fibre (MCF) with equal losses, indicating that NANF type HCF significantly outperforms single-mode fibres (SMF) performance for quantum/classical coexistence. This significant difference in the SKR drop is due to the ultra-low nonlinear effects in HCF comparing to glass core fibres such as SMF and MCF.
Alia, Obada
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Tessinari, Rodrigo S.
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Bradley, Thomas
d4cce4f3-bb69-4e14-baee-cd6a88e38101
Sakr, Hesham
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Harrington, Kerrianne
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Hayes, John R.
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Chen, Yong
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Petropoulos, Periklis
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Richardson, David J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3
Poletti, Francesco
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Kanellos, G.T.
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Nejabati, R.
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Simeonidou, D.
989b2a81-1405-4876-b53e-95c6984db521
Alia, Obada
316fbef1-4ad0-4716-9419-4c481b42fa3c
Tessinari, Rodrigo S.
97accfa6-a331-4859-abb4-077426fd96a0
Bradley, Thomas
d4cce4f3-bb69-4e14-baee-cd6a88e38101
Sakr, Hesham
5ec2d89f-ab6e-4690-bbfd-b95fa4cb792d
Harrington, Kerrianne
1078f503-d24f-40b0-a4ba-d5a5c0cff0bf
Hayes, John R.
a6d3acd6-d7d5-4614-970e-0e8c594e48e2
Chen, Yong
0bfb3083-4cd2-4463-a7a4-f48c4158b15a
Petropoulos, Periklis
522b02cc-9f3f-468e-bca5-e9f58cc9cad7
Richardson, David J.
ebfe1ff9-d0c2-4e52-b7ae-c1b13bccdef3
Poletti, Francesco
9adcef99-5558-4644-96d7-ce24b5897491
Kanellos, G.T.
789b223a-5d1c-48d4-8e9b-40b723c23fff
Nejabati, R.
850777b5-249a-4841-b564-61a55575ed9f
Simeonidou, D.
989b2a81-1405-4876-b53e-95c6984db521

Alia, Obada, Tessinari, Rodrigo S., Bradley, Thomas, Sakr, Hesham, Harrington, Kerrianne, Hayes, John R., Chen, Yong, Petropoulos, Periklis, Richardson, David J., Poletti, Francesco, Kanellos, G.T., Nejabati, R. and Simeonidou, D. (2021) Coexistence of a quantum QKD channel and 4×100 Gbps classical channels in nested antiresonant nodeless hollow core fibre. Qcrypt 2021 Online conference, Online, Amsterdam, Netherlands. 23 - 27 Aug 2021.

Record type: Conference or Workshop Item (Paper)

Abstract

We demonstrated for the first time a coexistence between a quantum QKD channel and 4×100 Gbps pm-qpsk carrier-grade classical optical channels in a 2 km Nested Antiresonant Nodeless Hollow Core fibre. Our results show a drop of less than 10% in the Secret Key Rate (SKR) when using a HCF compared to a significant drop of 97% in the SKR when quantum and classical signals coexist on a single core of a Multicore fibre (MCF) with equal losses, indicating that NANF type HCF significantly outperforms single-mode fibres (SMF) performance for quantum/classical coexistence. This significant difference in the SKR drop is due to the ultra-low nonlinear effects in HCF comparing to glass core fibres such as SMF and MCF.

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More information

Published date: 27 August 2021
Venue - Dates: Qcrypt 2021 Online conference, Online, Amsterdam, Netherlands, 2021-08-23 - 2021-08-27
Related URLs:
Learn more about Zepler Institute for Photonics and Nanoelectronics research Learn more about Institute for Life Sciences research Learn more about Zepler Institute for Photonics and Nanoelectronics research

Identifiers

Local EPrints ID: 472353
URI: http://eprints.soton.ac.uk/id/eprint/472353
PURE UUID: 5dd2e66c-791e-402f-9b71-8213e179383f
ORCID for Thomas Bradley: ORCID iD orcid.org/0000-0001-6568-5811
ORCID for Hesham Sakr: ORCID iD orcid.org/0000-0002-4154-8414
ORCID for Yong Chen: ORCID iD orcid.org/0000-0003-0383-6113
ORCID for Periklis Petropoulos: ORCID iD orcid.org/0000-0002-1576-8034
ORCID for David J. Richardson: ORCID iD orcid.org/0000-0002-7751-1058
ORCID for Francesco Poletti: ORCID iD orcid.org/0000-0002-1000-3083

Catalogue record

Date deposited: 01 Dec 2022 18:00
Last modified: 17 Mar 2024 03:49

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Contributors

Author: Obada Alia
Author: Rodrigo S. Tessinari
Author: Thomas Bradley ORCID iD
Author: Hesham Sakr ORCID iD
Author: Kerrianne Harrington
Author: John R. Hayes
Author: Yong Chen ORCID iD
Author: Periklis Petropoulos ORCID iD
Author: David J. Richardson ORCID iD
Author: Francesco Poletti ORCID iD
Author: G.T. Kanellos
Author: R. Nejabati
Author: D. Simeonidou

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