Multimode storage of quantum microwave fields in electron spins over 100 ms

• URL: http://arxiv.org/abs/2005.09275v1
• Date: Tue, 19 May 2020 08:13:27 GMT
• Title: Multimode storage of quantum microwave fields in electron spins over 100 ms
• Authors: V. Ranjan, J. O'Sullivan, E. Albertinale, B. Albanese, T. Chaneli\`ere, T. Schenkel, D. Vion, D. Esteve, E. Flurin, J. J. L. Morton and P. Bertet
• Abstract summary: A long-lived multi-mode qubit register is an enabling technology for modular quantum computing architectures. Here, we demonstrate the partial absorption of a train of weak microwave fields in an ensemble of bismuth donor spins in silicon. Phase coherence and quantum statistics are preserved in the storage.
• Score: 0.0
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: A long-lived multi-mode qubit register is an enabling technology for modular quantum computing architectures. For interfacing with superconducting qubits, such a quantum memory should be able to store incoming quantum microwave fields at the single-photon level for long periods of time, and retrieve them on-demand. Here, we demonstrate the partial absorption of a train of weak microwave fields in an ensemble of bismuth donor spins in silicon, their storage for 100 ms, and their retrieval, using a Hahn-echo-like protocol. The long storage time is obtained by biasing the bismuth donors at a clock transition. Phase coherence and quantum statistics are preserved in the storage.

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