Colloque - Hugues de Riedmatten : Quantum Memories for Quantum Networks
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Colloque - Hugues de Riedmatten : Quantum Memories for Quantum Networks
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Summary
Pascale Senellart
Chaire annuelle Innovation technologique Liliane Bettencourt (2025-2026)
Collège de France
Année 2025-2026
Colloque : Light-based Quantum Technologies
Pascale Senellart, chaire Innovation technologique Liliane Bettencourt
Colloque - Hugues de Riedmatten : Quantum Memories for Quantum Networks
Hugues de Riedmatten
Résumé
The distribution of entanglement between the nodes of a quantum network will allow new advances e.g. in long distance quantum communication, distributed quantum computing and quantum sensing. The realization of large-scale quantum networks—also known as quantum internet—will require quantum repeaters to enable quantum communication over distances much longer than the fiber attenuation length. The nodes of a quantum repeater are matter systems that should efficiently interact with quantum light, allow entanglement with photons (ideally at telecommunication wavelengths) and serve as a quantum memory allowing long-lived, faithful and multiplexed storage of entangled quantum bits.