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A two-qubit logic gate in silicon

Author

Listed:
  • M. Veldhorst

    (Centre for Quantum Computation and Communication Technology, School of Electrical Engineering and Telecommunications, The University of New South Wales)

  • C. H. Yang

    (Centre for Quantum Computation and Communication Technology, School of Electrical Engineering and Telecommunications, The University of New South Wales)

  • J. C. C. Hwang

    (Centre for Quantum Computation and Communication Technology, School of Electrical Engineering and Telecommunications, The University of New South Wales)

  • W. Huang

    (Centre for Quantum Computation and Communication Technology, School of Electrical Engineering and Telecommunications, The University of New South Wales)

  • J. P. Dehollain

    (Centre for Quantum Computation and Communication Technology, School of Electrical Engineering and Telecommunications, The University of New South Wales)

  • J. T. Muhonen

    (Centre for Quantum Computation and Communication Technology, School of Electrical Engineering and Telecommunications, The University of New South Wales)

  • S. Simmons

    (Centre for Quantum Computation and Communication Technology, School of Electrical Engineering and Telecommunications, The University of New South Wales)

  • A. Laucht

    (Centre for Quantum Computation and Communication Technology, School of Electrical Engineering and Telecommunications, The University of New South Wales)

  • F. E. Hudson

    (Centre for Quantum Computation and Communication Technology, School of Electrical Engineering and Telecommunications, The University of New South Wales)

  • K. M. Itoh

    (School of Fundamental Science and Technology, Keio University)

  • A. Morello

    (Centre for Quantum Computation and Communication Technology, School of Electrical Engineering and Telecommunications, The University of New South Wales)

  • A. S. Dzurak

    (Centre for Quantum Computation and Communication Technology, School of Electrical Engineering and Telecommunications, The University of New South Wales)

Abstract

A high-fidelity two-qubit CNOT logic gate is presented, which is realized by combining single- and two-qubit operations with controlled phase operations in a quantum dot system using the exchange interaction.

Suggested Citation

  • M. Veldhorst & C. H. Yang & J. C. C. Hwang & W. Huang & J. P. Dehollain & J. T. Muhonen & S. Simmons & A. Laucht & F. E. Hudson & K. M. Itoh & A. Morello & A. S. Dzurak, 2015. "A two-qubit logic gate in silicon," Nature, Nature, vol. 526(7573), pages 410-414, October.
    • Handle: RePEc:nat:nature:v:526:y:2015:i:7573:d:10.1038_nature15263
    DOI: 10.1038/nature15263
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    Citations

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    Cited by:

    1. Holly G. Stemp & Serwan Asaad & Mark R. van Blankenstein & Arjen Vaartjes & Mark A. I. Johnson & Mateusz T. Mądzik & Amber J. A. Heskes & Hannes R. Firgau & Rocky Y. Su & Chih Hwan Yang & Arne Laucht , 2024. "Tomography of entangling two-qubit logic operations in exchange-coupled donor electron spin qubits," Nature Communications, Nature, vol. 15(1), pages 1-10, December.
    2. Akito Noiri & Kenta Takeda & Takashi Nakajima & Takashi Kobayashi & Amir Sammak & Giordano Scappucci & Seigo Tarucha, 2022. "A shuttling-based two-qubit logic gate for linking distant silicon quantum processors," Nature Communications, Nature, vol. 13(1), pages 1-7, December.
    3. W. I. L. Lawrie & M. Rimbach-Russ & F. van Riggelen & N. W. Hendrickx & S. L. de Snoo & A. Sammak & G. Scappucci & J. Helsen & M. Veldhorst, 2023. "Simultaneous single-qubit driving of semiconductor spin qubits at the fault-tolerant threshold," Nature Communications, Nature, vol. 14(1), pages 1-7, December.
    4. Elliot J. Connors & J. Nelson & Lisa F. Edge & John M. Nichol, 2022. "Charge-noise spectroscopy of Si/SiGe quantum dots via dynamically-decoupled exchange oscillations," Nature Communications, Nature, vol. 13(1), pages 1-9, December.
    5. L. Banszerus & K. Hecker & S. Möller & E. Icking & K. Watanabe & T. Taniguchi & C. Volk & C. Stampfer, 2022. "Spin relaxation in a single-electron graphene quantum dot," Nature Communications, Nature, vol. 13(1), pages 1-6, December.
    6. Brian Paquelet Wuetz & Davide Degli Esposti & Anne-Marije J. Zwerver & Sergey V. Amitonov & Marc Botifoll & Jordi Arbiol & Amir Sammak & Lieven M. K. Vandersypen & Maximilian Russ & Giordano Scappucci, 2023. "Reducing charge noise in quantum dots by using thin silicon quantum wells," Nature Communications, Nature, vol. 14(1), pages 1-9, December.
    7. Robert Stockill & Moritz Forsch & Frederick Hijazi & Grégoire Beaudoin & Konstantinos Pantzas & Isabelle Sagnes & Rémy Braive & Simon Gröblacher, 2022. "Ultra-low-noise microwave to optics conversion in gallium phosphide," Nature Communications, Nature, vol. 13(1), pages 1-12, December.
    8. Haonan Wang & Heejun Kim & Duanfei Dong & Keisuke Shinokita & Kenji Watanabe & Takashi Taniguchi & Kazunari Matsuda, 2024. "Quantum coherence and interference of a single moiré exciton in nano-fabricated twisted monolayer semiconductor heterobilayers," Nature Communications, Nature, vol. 15(1), pages 1-9, December.
    9. Ryan M. Jock & N. Tobias Jacobson & Martin Rudolph & Daniel R. Ward & Malcolm S. Carroll & Dwight R. Luhman, 2022. "A silicon singlet–triplet qubit driven by spin-valley coupling," Nature Communications, Nature, vol. 13(1), pages 1-9, December.

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