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Paper detail

High threshold error correction for the surface code

An algorithm is presented for error correction in the surface code quantum memory. This is shown to correct depolarizing noise up to a threshold error rate of 18.5%, exceeding previous results and coming close to the upper bound of 18.9%. The time complexity of the algorithm is found to be polynomial with error suppression, allowing efficient error correction for codes of realistic sizes.

preprint2012arXivOpen access
James R. WoottonDaniel Loss
cond-mat.str-elquant-ph
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James R. WoottonDaniel Loss

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