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One-second coherence for a single electron spin coupled to a multi-qubit nuclear-spin environment

Author

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  • M. H. Abobeih

    (QuTech, Delft University of Technology
    Kavli Institute of Nanoscience Delft, Delft University of Technology)

  • J. Cramer

    (QuTech, Delft University of Technology
    Kavli Institute of Nanoscience Delft, Delft University of Technology)

  • M. A. Bakker

    (QuTech, Delft University of Technology
    Kavli Institute of Nanoscience Delft, Delft University of Technology)

  • N. Kalb

    (QuTech, Delft University of Technology
    Kavli Institute of Nanoscience Delft, Delft University of Technology)

  • M. Markham

    (Element Six Innovation, Fermi Avenue, Harwell Oxford)

  • D. J. Twitchen

    (Element Six Innovation, Fermi Avenue, Harwell Oxford)

  • T. H. Taminiau

    (QuTech, Delft University of Technology
    Kavli Institute of Nanoscience Delft, Delft University of Technology)

Abstract

Single electron spins coupled to multiple nuclear spins provide promising multi-qubit registers for quantum sensing and quantum networks. The obtainable level of control is determined by how well the electron spin can be selectively coupled to, and decoupled from, the surrounding nuclear spins. Here we realize a coherence time exceeding a second for a single nitrogen-vacancy electron spin through decoupling sequences tailored to its microscopic nuclear-spin environment. First, we use the electron spin to probe the environment, which is accurately described by seven individual and six pairs of coupled carbon-13 spins. We develop initialization, control and readout of the carbon-13 pairs in order to directly reveal their atomic structure. We then exploit this knowledge to store quantum states in the electron spin for over a second by carefully avoiding unwanted interactions. These results provide a proof-of-principle for quantum sensing of complex multi-spin systems and an opportunity for multi-qubit quantum registers with long coherence times.

Suggested Citation

  • M. H. Abobeih & J. Cramer & M. A. Bakker & N. Kalb & M. Markham & D. J. Twitchen & T. H. Taminiau, 2018. "One-second coherence for a single electron spin coupled to a multi-qubit nuclear-spin environment," Nature Communications, Nature, vol. 9(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-04916-z
    DOI: 10.1038/s41467-018-04916-z
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    Cited by:

    1. K. S. Cujia & K. Herb & J. Zopes & J. M. Abendroth & C. L. Degen, 2022. "Parallel detection and spatial mapping of large nuclear spin clusters," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    2. Hodaka Kurokawa & Keidai Wakamatsu & Shintaro Nakazato & Toshiharu Makino & Hiromitsu Kato & Yuhei Sekiguchi & Hideo Kosaka, 2024. "Coherent electric field control of orbital state of a neutral nitrogen-vacancy center," Nature Communications, Nature, vol. 15(1), pages 1-7, December.
    3. Łukasz Dusanowski & Cornelius Nawrath & Simone L. Portalupi & Michael Jetter & Tobias Huber & Sebastian Klembt & Peter Michler & Sven Höfling, 2022. "Optical charge injection and coherent control of a quantum-dot spin-qubit emitting at telecom wavelengths," Nature Communications, Nature, vol. 13(1), pages 1-8, December.
    4. Roberto Rizzato & Martin Schalk & Stephan Mohr & Jens C. Hermann & Joachim P. Leibold & Fleming Bruckmaier & Giovanna Salvitti & Chenjiang Qian & Peirui Ji & Georgy V. Astakhov & Ulrich Kentsch & Manf, 2023. "Extending the coherence of spin defects in hBN enables advanced qubit control and quantum sensing," Nature Communications, Nature, vol. 14(1), pages 1-9, December.

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