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Architecture for a large-scale ion-trap quantum computer

Author

Listed:
  • D. Kielpinski

    (Massachusetts Institute of Technology)

  • C. Monroe

    (University of Michigan)

  • D. J. Wineland

    (National Institute of Standards and Technology)

Abstract

Among the numerous types of architecture being explored for quantum computers are systems utilizing ion traps, in which quantum bits (qubits) are formed from the electronic states of trapped ions and coupled through the Coulomb interaction. Although the elementary requirements for quantum computation have been demonstrated in this system, there exist theoretical and technical obstacles to scaling up the approach to large numbers of qubits. Therefore, recent efforts have been concentrated on using quantum communication to link a number of small ion-trap quantum systems. Developing the array-based approach, we show how to achieve massively parallel gate operation in a large-scale quantum computer, based on techniques already demonstrated for manipulating small quantum registers. The use of decoherence-free subspaces significantly reduces decoherence during ion transport, and removes the requirement of clock synchronization between the interaction regions.

Suggested Citation

  • D. Kielpinski & C. Monroe & D. J. Wineland, 2002. "Architecture for a large-scale ion-trap quantum computer," Nature, Nature, vol. 417(6890), pages 709-711, June.
    • Handle: RePEc:nat:nature:v:417:y:2002:i:6890:d:10.1038_nature00784
    DOI: 10.1038/nature00784
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    Cited by:

    1. Haokun Luo & Yunxuan Wei & Georgios G. Pyrialakos & Mercedeh Khajavikhan & Demetrios N. Christodoulides, 2024. "Guiding charged particles in vacuum via Lagrange points," Nature Communications, Nature, vol. 15(1), pages 1-8, December.
    2. Rosch-Grace, Dominic & Straub, Jeremy, 2022. "Analysis of the likelihood of quantum computing proliferation," Technology in Society, Elsevier, vol. 68(C).
    3. Isaiah Hull & Or Sattath & Eleni Diamanti & Göran Wendin, 2024. "Quantum Technology for Economists," Contributions to Economics, Springer, number 978-3-031-50780-9.
    4. M. Akhtar & F. Bonus & F. R. Lebrun-Gallagher & N. I. Johnson & M. Siegele-Brown & S. Hong & S. J. Hile & S. A. Kulmiya & S. Weidt & W. K. Hensinger, 2023. "A high-fidelity quantum matter-link between ion-trap microchip modules," Nature Communications, Nature, vol. 14(1), pages 1-8, December.
    5. Spencer D. Fallek & Vikram S. Sandhu & Ryan A. McGill & John M. Gray & Holly N. Tinkey & Craig R. Clark & Kenton R. Brown, 2024. "Rapid exchange cooling with trapped ions," Nature Communications, Nature, vol. 15(1), pages 1-9, December.
    6. L. Feng & Y.-Y. Huang & Y.-K. Wu & W.-X. Guo & J.-Y. Ma & H.-X. Yang & L. Zhang & Y. Wang & C.-X. Huang & C. Zhang & L. Yao & B.-X. Qi & Y.-F. Pu & Z.-C. Zhou & L.-M. Duan, 2024. "Realization of a crosstalk-avoided quantum network node using dual-type qubits of the same ion species," Nature Communications, Nature, vol. 15(1), pages 1-7, December.
    7. Grigory E. Astrakharchik & Luis A. Peña Ardila & Krzysztof Jachymski & Antonio Negretti, 2023. "Many-body bound states and induced interactions of charged impurities in a bosonic bath," Nature Communications, Nature, vol. 14(1), pages 1-11, December.

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