A long-distance quantum-capable internet testbed

• URL: http://arxiv.org/abs/2101.12742v4
• Date: Wed, 16 Oct 2024 18:38:45 GMT
• Title: A long-distance quantum-capable internet testbed
• Authors: Dounan Du, Leonardo Castillo-Veneros, Dillion Cottrill, Guo-Dong Cui, Paul Stankus, Dimitrios Katramatos, Julián Martínez-Rincón, Eden Figueroa,
• Abstract summary: We present the implementation of a quantum-enabled internet prototype using a novel physics-centric stack-based quantum network paradigm. We demonstrate this concept using a deployed large-scale quantum network connecting laboratories at Stony Brook University and the Brookhaven National Laboratory.
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• Abstract: Building a Quantum Internet requires the development of innovative quantum-enabling networking architectures that integrate advanced communication systems with long-distance quantum communication hardware. Here, we present the implementation of a quantum-enabled internet prototype using a novel physics-centric stack-based quantum network paradigm to govern the dynamics of multiple light-matter Hamiltonians across distant nodes. We demonstrate this concept using a deployed large-scale intercity quantum network connecting laboratories at Stony Brook University and the Brookhaven National Laboratory. This network facilitates a fundamental long-distance quantum network service -that of high-visibility Hong-Ou-Mandel interference of telecom quantum states generated in two independent, telecom-compatible quantum light-matter interfaces separated by a distance of 158 km.

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