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Silicon CMOS architecture for a spin-based quantum computer

Author

Listed:
  • M. Veldhorst

    (Qutech and Kavli Institute of Nanoscience
    The University of New South Wales)

  • H. G. J. Eenink

    (Qutech and Kavli Institute of Nanoscience
    The University of New South Wales)

  • C. H. Yang

    (The University of New South Wales)

  • A. S. Dzurak

    (The University of New South Wales)

Abstract

Recent advances in quantum error correction codes for fault-tolerant quantum computing and physical realizations of high-fidelity qubits in multiple platforms give promise for the construction of a quantum computer based on millions of interacting qubits. However, the classical-quantum interface remains a nascent field of exploration. Here, we propose an architecture for a silicon-based quantum computer processor based on complementary metal-oxide-semiconductor (CMOS) technology. We show how a transistor-based control circuit together with charge-storage electrodes can be used to operate a dense and scalable two-dimensional qubit system. The qubits are defined by the spin state of a single electron confined in quantum dots, coupled via exchange interactions, controlled using a microwave cavity, and measured via gate-based dispersive readout. We implement a spin qubit surface code, showing the prospects for universal quantum computation. We discuss the challenges and focus areas that need to be addressed, providing a path for large-scale quantum computing.

Suggested Citation

  • M. Veldhorst & H. G. J. Eenink & C. H. Yang & A. S. Dzurak, 2017. "Silicon CMOS architecture for a spin-based quantum computer," Nature Communications, Nature, vol. 8(1), pages 1-8, December.
  • Handle: RePEc:nat:natcom:v:8:y:2017:i:1:d:10.1038_s41467-017-01905-6
    DOI: 10.1038/s41467-017-01905-6
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    Cited by:

    1. Kosuke Noro & Yusuke Kozuka & Kazuma Matsumura & Takeshi Kumasaka & Yoshihiro Fujiwara & Atsushi Tsukazaki & Masashi Kawasaki & Tomohiro Otsuka, 2024. "Parity-independent Kondo effect of correlated electrons in electrostatically defined ZnO quantum dots," Nature Communications, Nature, vol. 15(1), pages 1-8, December.
    2. Jesús D. Cifuentes & Tuomo Tanttu & Will Gilbert & Jonathan Y. Huang & Ensar Vahapoglu & Ross C. C. Leon & Santiago Serrano & Dennis Otter & Daniel Dunmore & Philip Y. Mai & Frédéric Schlattner & Meng, 2024. "Bounds to electron spin qubit variability for scalable CMOS architectures," Nature Communications, Nature, vol. 15(1), pages 1-14, December.
    3. Matthias Künne & Alexander Willmes & Max Oberländer & Christian Gorjaew & Julian D. Teske & Harsh Bhardwaj & Max Beer & Eugen Kammerloher & René Otten & Inga Seidler & Ran Xue & Lars R. Schreiber & He, 2024. "The SpinBus architecture for scaling spin qubits with electron shuttling," Nature Communications, Nature, vol. 15(1), pages 1-11, December.

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