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Clock qubit conducts nuclear ensemble

A rare-earth ion in a long-lived clock state can control a nearby ensemble of nuclear spins. Interfacing this pristine photon emitter with a small quantum processor may be a route towards making identical solid-state nodes for quantum networks.

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Fig. 1: Quantum-state storage in a nuclear spin ensemble.


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Correspondence to Claire Le Gall.

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Le Gall, C. Clock qubit conducts nuclear ensemble. Nat. Phys. 18, 230–231 (2022).

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