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

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

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 stor...

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Veröffentlicht in:Physical review letters 2020-11, Vol.125 (21), p.210505-210505, Article 210505
Hauptverfasser: Ranjan, V., O’Sullivan, J., Albertinale, E., Albanese, B., Chanelière, T., Schenkel, T., Vion, D., Esteve, D., Flurin, E., Morton, J. J. L., Bertet, P.
Format: Artikel
Sprache:eng
Schlagworte:
Bismuth
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
Defects
Electron paramagnetic resonance
Electron spin
Phase coherence
Physics
Quantum memories
Quantum networks
Quantum sensing
Quantum statistics
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Zusammenfassung: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.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.125.210505