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High-fidelity spatial addressing of Ca-43 qubits using near-field microwave control

Abstract:

Individual addressing of qubits is essential for scalable quantum computation. Spatial addressing allows unlimited numbers of qubits to share the same frequency, whilst enabling arbitrary parallel operations. We demonstrate addressing of long-lived $^{43}\text{Ca}^+$ "atomic clock" qubits held in separate zones of a microfabricated surface trap with integrated microwave electrodes. By coherently cancelling the microwave field in one zone we measure a ratio of Rabi frequencies between addresse...

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Atomic and Laser Physics
Role:
Author
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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Atomic and Laser Physics
Role:
Author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Physics
Role:
Author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Atomic and Laser Physics
Role:
Author
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Grant:
“Networked Quantum Information Technology” Hub
Publication date:
2016-01-01
URN:
uuid:b4a831f4-e291-499a-a07e-929823faa0f3
Source identifiers:
581682
Local pid:
pubs:581682

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