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

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

2011-01-18

arxiv.org/abs/1101.3579v2

J. Mod. Optics 58, 1922 (2011)

Physics

Quantum Physics

11 pages; no figures; two tables; updated tables; version to appear in J. Mod. Optics

Scientific paper

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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