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Single-shot readout of an electron spin in silicon

Author

Listed:
  • Andrea Morello

    (Australian Research Council Centre of Excellence for Quantum Computer Technology, School of Electrical Engineering and Telecommunications, University of New South Wales, Sydney, New South Wales 2052, Australia)

  • Jarryd J. Pla

    (Australian Research Council Centre of Excellence for Quantum Computer Technology, School of Electrical Engineering and Telecommunications, University of New South Wales, Sydney, New South Wales 2052, Australia)

  • Floris A. Zwanenburg

    (Australian Research Council Centre of Excellence for Quantum Computer Technology, School of Electrical Engineering and Telecommunications, University of New South Wales, Sydney, New South Wales 2052, Australia)

  • Kok W. Chan

    (Australian Research Council Centre of Excellence for Quantum Computer Technology, School of Electrical Engineering and Telecommunications, University of New South Wales, Sydney, New South Wales 2052, Australia)

  • Kuan Y. Tan

    (Australian Research Council Centre of Excellence for Quantum Computer Technology, School of Electrical Engineering and Telecommunications, University of New South Wales, Sydney, New South Wales 2052, Australia)

  • Hans Huebl

    (Australian Research Council Centre of Excellence for Quantum Computer Technology, School of Electrical Engineering and Telecommunications, University of New South Wales, Sydney, New South Wales 2052, Australia
    Present addresses: Walther-Meissner-Institut, Bayerische Akademie der Wissenschaften, 85748 Garching, Germany (H.H.); Department of Physics, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA (C.D.N.); Department of Defence, Canberra, Australian Capital Territory 2600, Australia (R.G.C.).)

  • Mikko Möttönen

    (Australian Research Council Centre of Excellence for Quantum Computer Technology, School of Electrical Engineering and Telecommunications, University of New South Wales, Sydney, New South Wales 2052, Australia
    Aalto University, PO Box 15100, 00076 Aalto, Finland
    Low Temperature Laboratory, Aalto University, PO Box 13500, 00076 Aalto, Finland)

  • Christopher D. Nugroho

    (Australian Research Council Centre of Excellence for Quantum Computer Technology, School of Electrical Engineering and Telecommunications, University of New South Wales, Sydney, New South Wales 2052, Australia
    Present addresses: Walther-Meissner-Institut, Bayerische Akademie der Wissenschaften, 85748 Garching, Germany (H.H.); Department of Physics, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA (C.D.N.); Department of Defence, Canberra, Australian Capital Territory 2600, Australia (R.G.C.).)

  • Changyi Yang

    (Australian Research Council Centre of Excellence for Quantum Computer Technology, School of Physics, University of Melbourne, Melbourne, Victoria 3010, Australia)

  • Jessica A. van Donkelaar

    (Australian Research Council Centre of Excellence for Quantum Computer Technology, School of Physics, University of Melbourne, Melbourne, Victoria 3010, Australia)

  • Andrew D. C. Alves

    (Australian Research Council Centre of Excellence for Quantum Computer Technology, School of Physics, University of Melbourne, Melbourne, Victoria 3010, Australia)

  • David N. Jamieson

    (Australian Research Council Centre of Excellence for Quantum Computer Technology, School of Physics, University of Melbourne, Melbourne, Victoria 3010, Australia)

  • Christopher C. Escott

    (Australian Research Council Centre of Excellence for Quantum Computer Technology, School of Electrical Engineering and Telecommunications, University of New South Wales, Sydney, New South Wales 2052, Australia)

  • Lloyd C. L. Hollenberg

    (Australian Research Council Centre of Excellence for Quantum Computer Technology, School of Physics, University of Melbourne, Melbourne, Victoria 3010, Australia)

  • Robert G. Clark

    (Australian Research Council Centre of Excellence for Quantum Computer Technology, School of Electrical Engineering and Telecommunications, University of New South Wales, Sydney, New South Wales 2052, Australia
    Present addresses: Walther-Meissner-Institut, Bayerische Akademie der Wissenschaften, 85748 Garching, Germany (H.H.); Department of Physics, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA (C.D.N.); Department of Defence, Canberra, Australian Capital Territory 2600, Australia (R.G.C.).)

  • Andrew S. Dzurak

    (Australian Research Council Centre of Excellence for Quantum Computer Technology, School of Electrical Engineering and Telecommunications, University of New South Wales, Sydney, New South Wales 2052, Australia)

Abstract

Taking aim at silicon Silicon transistors in microelectronics are shrinking to close to the size at which quantum effects begin to have an impact on device performance. As silicon looks certain to remain the semiconductor material of choice for a while yet, such effects may be turned into an advantage by designing silicon devices that can process quantum information. One approach is to make use of electron spins generated by phosphorus dopant atoms buried in silicon, as they are known to represent well-isolated quantum bits (qubits) with long coherence times. It has not been possible to control single electrons in silicon with the precision for qubits, but now Andrea Morello and colleagues report single-shot, time-resolved readout of electron spins in silicon. This is achieved by placing the phosphorus donor atoms near a charge-sensing device called a single-electron transistor, which is fully compatible with current microelectronic technology. The demonstrated high-fidelity single-shot spin readout opens a path to the development of a new generation of quantum computing and spintronic devices in silicon.

Suggested Citation

  • Andrea Morello & Jarryd J. Pla & Floris A. Zwanenburg & Kok W. Chan & Kuan Y. Tan & Hans Huebl & Mikko Möttönen & Christopher D. Nugroho & Changyi Yang & Jessica A. van Donkelaar & Andrew D. C. Alves , 2010. "Single-shot readout of an electron spin in silicon," Nature, Nature, vol. 467(7316), pages 687-691, October.
    • Handle: RePEc:nat:nature:v:467:y:2010:i:7316:d:10.1038_nature09392
    DOI: 10.1038/nature09392
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    Cited by:

    1. George Gillard & Edmund Clarke & Evgeny A. Chekhovich, 2022. "Harnessing many-body spin environment for long coherence storage and high-fidelity single-shot qubit readout," Nature Communications, Nature, vol. 13(1), pages 1-8, December.

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