Demonstration of quantum error correction using linear optics

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PhysRevA.71.052332.pdf (190.89 KB)

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https://journals.aps.org/pra/abstract/10.1103/PhysRevA.71.052332

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https://doi.org/10.1103/PhysRevA.71.052332
 http://hdl.handle.net/11603/19303

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UMBC Physics Department
UMBC Joint Center for Earth Systems Technology (JCET)

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2005-05-31

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journal articles
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T. B. Pittman, B. C. Jacobs, and J. D. Franson, Demonstration of quantum error correction using linear optics, Phys. Rev. A 71 (05) 2332 (2005), DOI:https://doi.org/10.1103/PhysRevA.71.052332

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©2005 The American Physical Society

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Abstract

We describe a laboratory demonstration of a quantum error correction procedure that can correct intrinsic measurement errors in linear-optics quantum gates. The procedure involves a two-qubit encoding and fast feed-forward-controlled single-qubit operations. In our demonstration the qubits were represented by the polarization states of two single-photons from a parametric down-conversion source, and the real-time feed-forward control was implemented using an electro-optic device triggered by the output of single-photon detectors.