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Multimode Storage of Quantum Microwave Fields in Electron Spins over 100 ms

Abstract : We report long coherence times (up to 300 ms) for near-surface bismuth donor electron spins in silicon coupled to a superconducting microresonator, biased at a clock transition. This enables us to demonstrate the partial absorption of a train of weak microwave fields in the spin ensemble, their storage for 100 ms, and their retrieval, using a Hahn-echo-like protocol. Phase coherence and quantum statistics are preserved in the storage.
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https://hal-cea.archives-ouvertes.fr/cea-03116409
Contributor : Patrice Bertet Connect in order to contact the contributor
Submitted on : Wednesday, January 20, 2021 - 12:03:00 PM
Last modification on : Tuesday, August 23, 2022 - 11:11:23 AM

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V. Ranjan, J. O’sullivan, E. Albertinale, B. Albanese, T. Chanelière, et al.. Multimode Storage of Quantum Microwave Fields in Electron Spins over 100 ms. Physical Review Letters, 2020, 125 (21), pp.210505. ⟨10.1103/PhysRevLett.125.210505⟩. ⟨cea-03116409⟩

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