A long-distance quantum-capable internet testbed

29 Jan 2021 · Dounan Du, Leonardo Castillo-Veneros, Dillion Cottrill, Guo-Dong Cui, Gabriel Bello, Mael Flament, Paul Stankus, Dimitrios Katramatos, Julián Martínez-Rincón, Eden Figueroa ·

Building a Quantum Internet requires the development of new networking concepts at the intersection of frontier communication systems and long-distance quantum communication. Here, we present the implementation of a quantum-enabled internet prototype, where we have combined Software-Defined and Time-Sensitive Networking principles with Quantum Communication between quantum memories. Using a deployed quantum network connecting Stony Brook University and Brookhaven National Laboratory, we demonstrate a fundamental long-distance quantum network service, that of high-visibility Hong-Ou-Mandel Interference of telecom photons produced in two independent quantum memories separated by a distance of 158 km.

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A long-distance quantum-capable internet testbed

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