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Schindler P, Barreiro JT, Monz T, et al. Experimental repetitive quantum error correction. Science. 2011;332(6033):1059-61doi: 10.1126/science.1203329.
Schindler, P., Barreiro, J. T., Monz, T., Nebendahl, V., Nigg, D., Chwalla, M., Hennrich, M., & Blatt, R. (2011). Experimental repetitive quantum error correction. Science (New York, N.Y.), 332(6033), 1059-61. https://doi.org/10.1126/science.1203329
Schindler, Philipp, et al. "Experimental repetitive quantum error correction." Science (New York, N.Y.) vol. 332,6033 (2011): 1059-61. doi: https://doi.org/10.1126/science.1203329
Schindler P, Barreiro JT, Monz T, Nebendahl V, Nigg D, Chwalla M, Hennrich M, Blatt R. Experimental repetitive quantum error correction. Science. 2011 May 27;332(6033):1059-61. doi: 10.1126/science.1203329. PMID: 21617070.
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Science. 2011 May 27;332(6033):1059-61. doi: 10.1126/science.1203329.

Experimental repetitive quantum error correction.

Science (New York, N.Y.)

Philipp Schindler, Julio T Barreiro, Thomas Monz, Volckmar Nebendahl, Daniel Nigg, Michael Chwalla, Markus Hennrich, Rainer Blatt

Affiliations

  1. Institut für Experimentalphysik, Universität Innsbruck, Technikerstraße 25, A-6020 Innsbruck, Austria.

PMID: 21617070 DOI: 10.1126/science.1203329

Abstract

The computational potential of a quantum processor can only be unleashed if errors during a quantum computation can be controlled and corrected for. Quantum error correction works if imperfections of quantum gate operations and measurements are below a certain threshold and corrections can be applied repeatedly. We implement multiple quantum error correction cycles for phase-flip errors on qubits encoded with trapped ions. Errors are corrected by a quantum-feedback algorithm using high-fidelity gate operations and a reset technique for the auxiliary qubits. Up to three consecutive correction cycles are realized, and the behavior of the algorithm for different noise environments is analyzed.

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