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High-fidelity spatial and polarization 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 ($960\mu$m apart) of a microfabricated surface trap with integrated microwave electrodes. Such zones could form part of a "quantum CCD" architecture for a large-scale quantum informati...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Accepted manuscript

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Publisher copy:
10.1103/PhysRevA.95.022337

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Department:
Oxford, MPLS, Physics, Atomic and Laser Physics
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Department:
Oxford, MPLS, Physics, Atomic and Laser Physics
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Department:
Oxford, MPLS, Physics
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Department:
Oxford, MPLS, Physics, Atomic and Laser Physics
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Grant:
"Networked Quantum Information Technology" Hub.
Publisher:
American Physical Society Publisher's website
Journal:
Physical Review A Journal website
Volume:
95
Pages:
022337
Publication date:
2017-02-05
DOI:
EISSN:
2469-9934
ISSN:
2469-9926
Pubs id:
pubs:581682
URN:
uri:4641f4e3-8b50-4287-b4b0-040adc8445ae
UUID:
uuid:4641f4e3-8b50-4287-b4b0-040adc8445ae
Local pid:
pubs:581682

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