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International Symposium on Mesoscopic Superconductivity and Spintronics (MS+S)

GENERATION OF PHOTON NUMBER STATES AND THEIR SUPERPOSITIONS USING A SUPERCONDUCTING QUBIT IN A MICROCAVITY

Yu-xi Liu, L. F. Wei, Franco Nori

Published Aug 1, 2005• 0 citations
Publisher
DOI
10.1142/9789812701619_0014

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We propose a scheme to create cluster states with superconducting quantum-interference devices (SQUIDs) with the help of an auxiliary qubit, by using a quantized cavity field and classical microwave pulses, via Raman transition. In our scheme, no transfer of quantum information between the SQUIDs and the cavity is required. The cavity is only virtually excited during the whole operation and thus the cavity decay is suppressed during the operations and the requirement on the quality factor of the cavity is much relaxed, which could greatly reduce the experimental challenge.