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Silicon CMOS architecture for a spin-based quantum computer

Veldhorst, M ; Eenink, H G J ; Yang, C H ; Dzurak, A S

Nature communications, 2017-12, Vol.8 (1), p.1766-8, Article 1766 [Periódico revisado por pares]

England: Nature Publishing Group

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  • Título:
    Silicon CMOS architecture for a spin-based quantum computer
  • Autor: Veldhorst, M ; Eenink, H G J ; Yang, C H ; Dzurak, A S
  • Assuntos: CMOS ; Computation ; Computer architecture ; Electron spin ; Error correction ; Exploration ; Fault tolerance ; Metal oxides ; Microprocessors ; Quantum computing ; Quantum dots ; Quantum theory ; Qubits (quantum computing) ; Silicon
  • É parte de: Nature communications, 2017-12, Vol.8 (1), p.1766-8, Article 1766
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
    content type line 23
  • Descrição: 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.
  • Editor: England: Nature Publishing Group
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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