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Synchronization of multiple coupled rf-SQUID flux qubits
Harris, R. Brito, F. Berkley, A. J. Jonansson, J. Johnson, M. W. Lanting, T. Bunyk, P. Ladizinsky, E. Bumble, B. Fung, A.
Harris, R.
Brito, F.
Berkley, A. J.
Jonansson, J.
Johnson, M. W.
Lanting, T.
Bunyk, P.
Ladizinsky, E.
Bumble, B.
Fung, A.
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Abstract
A practical strategy for synchronizing the properties of compound Josephson junction (CJJ) radio frequency monitored superconducting quantum interference device (rf-SQUID) qubits on a multi-qubit chip has been demonstrated. The impact of small (~1%) fabrication variations in qubit inductance and critical current can be minimized by the application of a custom-tuned flux offset to the CJJ structure of each qubit. This strategy allows for a simultaneous synchronization of the qubit persistent current and tunnel splitting over a range of external bias parameters that is relevant for the implementation of an adiabatic quantum processor.
Description
This is the published version, also available here: http://dx.doi.org/10.1088/1367-2630/11/12/123022.
Date
2009-12-19
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IOP Publishing
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Keywords
Superconductivity, Computational physics, Quantum information and quantum mechanics
Citation
R Harris et al. "Synchronization of multiple coupled rf-SQUID flux qubits." (2009) New J. Phys. 11 123022 http://dx.doi.org/10.1088/1367-2630/11/12/123022