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Quantum controlled phase gate and cluster states generation via two superconducting quantum interference devices in a cavity

Author

Listed:
  • Z.-Y. Xue
  • G. Zhang
  • P. Dong
  • Y.-M. Yi
  • Z.-L. Cao

Abstract

A scheme for implementing 2-qubit quantum controlled phase gate (QCPG) is proposed with two superconducting quantum interference devices (SQUIDs) in a cavity. The gate operations are realized within the two lower flux states of the SQUIDs by using a quantized cavity field and classical microwave pulses. Our scheme is achieved without any type of measurement, does not use the cavity mode as the data bus and only requires a very short resonant interaction of the SQUID-cavity system. As an application of the QCPG operation, we also propose a scheme for generating the cluster states of many SQUIDs. Copyright EDP Sciences/Società Italiana di Fisica/Springer-Verlag 2006

Suggested Citation

  • Z.-Y. Xue & G. Zhang & P. Dong & Y.-M. Yi & Z.-L. Cao, 2006. "Quantum controlled phase gate and cluster states generation via two superconducting quantum interference devices in a cavity," The European Physical Journal B: Condensed Matter and Complex Systems, Springer;EDP Sciences, vol. 52(3), pages 333-336, August.
    • Handle: RePEc:spr:eurphb:v:52:y:2006:i:3:p:333-336
    DOI: 10.1140/epjb/e2006-00297-3
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