Building the Practical Foundations of a European Quantum Communication Infrastructure | IEEE Conference Publication | IEEE Xplore

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 p...Show More

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.
Date of Conference: 14-18 July 2024
Date Added to IEEE Xplore: 02 September 2024
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Conference Location: Bari, Italy

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