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High-fidelity projective read-out of a solid-state spin quantum register

Author

Listed:
  • Lucio Robledo

    (Kavli Institute of Nanoscience Delft, Delft University of Technology, PO Box 5046)

  • Lilian Childress

    (Bates College, 44 Campus Avenue)

  • Hannes Bernien

    (Kavli Institute of Nanoscience Delft, Delft University of Technology, PO Box 5046)

  • Bas Hensen

    (Kavli Institute of Nanoscience Delft, Delft University of Technology, PO Box 5046)

  • Paul F. A. Alkemade

    (Kavli Institute of Nanoscience Delft, Delft University of Technology, PO Box 5046)

  • Ronald Hanson

    (Kavli Institute of Nanoscience Delft, Delft University of Technology, PO Box 5046)

Abstract

Solid quantum register Electronic and nuclear spins in solids are attractive candidates for scalable quantum information processing, but single-shot detection (which allows further key steps such as error correction and teleportation) has been achieved only for isolated qubits. Robledo et al. now demonstrate high-fidelity preparation and single-shot readout of a quantum register based on the electronic spin of a nitrogen-vacancy centre in diamond. They use this read-out to project up to three nearby nuclear spin qubits onto a well-defined state.

Suggested Citation

  • Lucio Robledo & Lilian Childress & Hannes Bernien & Bas Hensen & Paul F. A. Alkemade & Ronald Hanson, 2011. "High-fidelity projective read-out of a solid-state spin quantum register," Nature, Nature, vol. 477(7366), pages 574-578, September.
    • Handle: RePEc:nat:nature:v:477:y:2011:i:7366:d:10.1038_nature10401
    DOI: 10.1038/nature10401
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