Experimental demonstration of a robust and scalable flux qubit

  title={Experimental demonstration of a robust and scalable flux qubit},
  author={R. Harris and J. Johansson and A. Berkley and M. Johnson and T. Lanting and S. Han and P. Bunyk and E. Ladizinsky and T. Oh and I. Perminov and E. Tolkacheva and S. Uchaikin and E. Chapple and C. Enderud and C. Rich and M. Thom and J. Wang and B. Wilson and G. Rose},
  journal={Physical Review B},
  • R. Harris, J. Johansson, +16 authors G. Rose
  • Published 2010
  • Physics
  • Physical Review B
  • Received 23 September 2009; revised manuscript received 11 February 2010; published 7 April 2010 A rf–superconducting quantum interference device SQUID flux qubit that is robust against fabrication variations in Josephson-junction critical currents and device inductance has been implemented. Measurements of the persistent current and of the tunneling energy between the two lowest-lying states, both in the coherent and incoherent regimes, are presented. These experimental results are shown to be… CONTINUE READING
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