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A scalable control system for a superconducting adiabatic quantum optimization processor

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arxiv 0907.3757 v2 pith:H3Q6XNTZ submitted 2009-07-22 quant-ph cond-mat.supr-conphysics.ins-det

M. W. Johnson , P. Bunyk , F. Maibaum , E. Tolkacheva , A. J. Berkley , E. M. Chapple , R. Harris , J. Johansson
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T. Lanting I. Perminov E. Ladizinsky T. Oh G. Rose
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classification quant-phcond-mat.supr-conphysics.ins-det
keywords systemdesignedlinessuperconductingadiabaticbiasescircuitcontrol
verification ladder T0 review T1 audit T2 compute T3 formal
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We have designed, fabricated and operated a scalable system for applying independently programmable time-independent, and limited time-dependent flux biases to control superconducting devices in an integrated circuit. Here we report on the operation of a system designed to supply 64 flux biases to devices in a circuit designed to be a unit cell for a superconducting adiabatic quantum optimization system. The system requires six digital address lines, two power lines, and a handful of global analog lines.

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