Building the Practical Foundations of a European Quantum Communication Infrastructure

Domenico Ribezzo; Mujtaba Zahidy; Claudia De Lazzari; Nicola Biagi; Ilaria Vagniluca; Cristian Antonelli; Antonio Mecozzi; Leif K. Oxenløwe; Alessandro Zavatta; Davide Bacco

doi:10.1109/ICTON62926.2024.10648026

Building the Practical Foundations of a European Quantum Communication Infrastructure

Domenico Ribezzo^*, Mujtaba Zahidy, Claudia De Lazzari, Nicola Biagi, Ilaria Vagniluca, Cristian Antonelli, Antonio Mecozzi, Leif K. Oxenløwe, Alessandro Zavatta, Davide Bacco

^*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

Abstract

Today, quantum networks have made Quantum Key Distribution (QKD) the standard method for securely distributing encryption keys among multiple parties. In this study, we present an approach to implementing quantum networks, validated through on-field implementations. Utilizing a weak coherent pulse source, an optimized BB84 protocol (efficient BB84), and optical fiber channels, we took the initial steps within the European Quantum Communication Infrastructure (EuroQCI) initiative. Our method successfully established a quantum network linking the cities of Trieste (Italy), Rijeka (Croatia), and Ljubljana (Slovenia)-the first to connect three different countries. A second quantum link between Malta and Sicily (Italy) was established for technological characterization, while a multi-core optical fiber in downtown L'Aquila (Italy) facilitated the first QKD process involving high-dimensional quantum states in a real-world scenario.

Original language	English
Title of host publication	Proceedings of 24^th International Conference on Transparent Optical Networks
Number of pages	4
Publisher	IEEE
Publication date	2024
ISBN (Electronic)	9798350377309
DOIs	https://doi.org/10.1109/ICTON62926.2024.10648026
Publication status	Published - 2024
Event	24^th International Conference on Transparent Optical Networks - Polytechnic University of Bari, Bari , Italy Duration: 14 Jul 2024 → 18 Jul 2024

Conference

Conference	24^th International Conference on Transparent Optical Networks
Location	Polytechnic University of Bari
Country/Territory	Italy
City	Bari
Period	14/07/2024 → 18/07/2024

Keywords

High-dimensional QKD
Multi-core fiber
QKD
Quantum Internet
Quantum key distribution
Quantum Networks

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10.1109/ICTON62926.2024.10648026

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@inproceedings{f58bdd9bcbdc4f47a9e61fcc43d6f35c,

title = "Building the Practical Foundations of a European Quantum Communication Infrastructure",

abstract = "Today, quantum networks have made Quantum Key Distribution (QKD) the standard method for securely distributing encryption keys among multiple parties. In this study, we present an approach to implementing quantum networks, validated through on-field implementations. Utilizing a weak coherent pulse source, an optimized BB84 protocol (efficient BB84), and optical fiber channels, we took the initial steps within the European Quantum Communication Infrastructure (EuroQCI) initiative. Our method successfully established a quantum network linking the cities of Trieste (Italy), Rijeka (Croatia), and Ljubljana (Slovenia)-the first to connect three different countries. A second quantum link between Malta and Sicily (Italy) was established for technological characterization, while a multi-core optical fiber in downtown L'Aquila (Italy) facilitated the first QKD process involving high-dimensional quantum states in a real-world scenario.",

keywords = "High-dimensional QKD, Multi-core fiber, QKD, Quantum Internet, Quantum key distribution, Quantum Networks",

author = "Domenico Ribezzo and Mujtaba Zahidy and {De Lazzari}, Claudia and Nicola Biagi and Ilaria Vagniluca and Cristian Antonelli and Antonio Mecozzi and Oxenl{\o}we, {Leif K.} and Alessandro Zavatta and Davide Bacco",

note = "Publisher Copyright: {\textcopyright} 2024 IEEE.; 24<sup>th</sup> International Conference on Transparent Optical Networks, ICTON 2024 ; Conference date: 14-07-2024 Through 18-07-2024",

year = "2024",

doi = "10.1109/ICTON62926.2024.10648026",

language = "English",

booktitle = "Proceedings of 24th International Conference on Transparent Optical Networks",

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address = "United States",

}

Ribezzo, D, Zahidy, M, De Lazzari, C, Biagi, N, Vagniluca, I, Antonelli, C, Mecozzi, A, Oxenløwe, LK, Zavatta, A & Bacco, D 2024, Building the Practical Foundations of a European Quantum Communication Infrastructure. in Proceedings of 24^th International Conference on Transparent Optical Networks. IEEE, 24^th International Conference on Transparent Optical Networks, Bari , Italy, 14/07/2024. https://doi.org/10.1109/ICTON62926.2024.10648026

TY - GEN

T1 - Building the Practical Foundations of a European Quantum Communication Infrastructure

AU - Ribezzo, Domenico

AU - Zahidy, Mujtaba

AU - De Lazzari, Claudia

AU - Biagi, Nicola

AU - Vagniluca, Ilaria

AU - Antonelli, Cristian

AU - Mecozzi, Antonio

AU - Oxenløwe, Leif K.

AU - Zavatta, Alessandro

AU - Bacco, Davide

PY - 2024

Y1 - 2024

N2 - Today, quantum networks have made Quantum Key Distribution (QKD) the standard method for securely distributing encryption keys among multiple parties. In this study, we present an approach to implementing quantum networks, validated through on-field implementations. Utilizing a weak coherent pulse source, an optimized BB84 protocol (efficient BB84), and optical fiber channels, we took the initial steps within the European Quantum Communication Infrastructure (EuroQCI) initiative. Our method successfully established a quantum network linking the cities of Trieste (Italy), Rijeka (Croatia), and Ljubljana (Slovenia)-the first to connect three different countries. A second quantum link between Malta and Sicily (Italy) was established for technological characterization, while a multi-core optical fiber in downtown L'Aquila (Italy) facilitated the first QKD process involving high-dimensional quantum states in a real-world scenario.

AB - Today, quantum networks have made Quantum Key Distribution (QKD) the standard method for securely distributing encryption keys among multiple parties. In this study, we present an approach to implementing quantum networks, validated through on-field implementations. Utilizing a weak coherent pulse source, an optimized BB84 protocol (efficient BB84), and optical fiber channels, we took the initial steps within the European Quantum Communication Infrastructure (EuroQCI) initiative. Our method successfully established a quantum network linking the cities of Trieste (Italy), Rijeka (Croatia), and Ljubljana (Slovenia)-the first to connect three different countries. A second quantum link between Malta and Sicily (Italy) was established for technological characterization, while a multi-core optical fiber in downtown L'Aquila (Italy) facilitated the first QKD process involving high-dimensional quantum states in a real-world scenario.

KW - High-dimensional QKD

KW - Multi-core fiber

KW - QKD

KW - Quantum Internet

KW - Quantum key distribution

KW - Quantum Networks

U2 - 10.1109/ICTON62926.2024.10648026

DO - 10.1109/ICTON62926.2024.10648026

M3 - Article in proceedings

AN - SCOPUS:85204057633

BT - Proceedings of 24th International Conference on Transparent Optical Networks

PB - IEEE

T2 - 24<sup>th</sup> International Conference on Transparent Optical Networks

Y2 - 14 July 2024 through 18 July 2024

ER -

Building the Practical Foundations of a European Quantum Communication Infrastructure

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