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Robust high-fidelity universal set of quantum gates through non-adiabatic rapid passage

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arxiv 1101.3579 v2 pith:US2RFAYK submitted 2011-01-18 quant-ph cond-mat.mes-hall

classification quant-phcond-mat.mes-hall
keywords universalgatehigh-fidelityquantumcontrolfidelitygatesnon-adiabatic
verification ladder T0 review T1 audit T2 compute T3 formal
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We show how a robust high-fidelity universal set of quantum gates can be implemented using a single form of non-adiabatic rapid passage whose parameters are optimized to maximize gate fidelity and reward gate robustness. Each gate in the universal set is found to operate with a fidelity F in the range 0.99988 < F < 0.99999, and to require control parameters with no more than 14-bit (1 part in 10,000) precision. Such precision is within reach of commercially available arbitrary waveform generators, so that an experimental study of this approach to high-fidelity universal quantum control appears feasible.

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