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Quantum optics

Repairing quadrature entanglement

Nature Photonics volume 4, pages 136–138 (2010)Cite this article

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Optical loss degrades quantum correlations, hindering the use of quantum quadrature entanglement for many applications. Researchers have now experimentally demonstrated that this entanglement can be recovered using photon subtraction.

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Figure 1: Distillation of quadrature entanglement by probabilistic photon subtraction.

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Authors and Affiliations

  1. Alexei Ourjoumtsev is at the Laboratoire Charles Fabry de l'Institut d'Optique, 2 Avenue Augustin Fresnel, RD128, F-91127 Palaiseau, France. alexei.ourjoumtsev@institutoptique.fr,

    Alexei Ourjoumtsev

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  1. Alexei Ourjoumtsev
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Ourjoumtsev, A. Repairing quadrature entanglement. Nature Photon 4, 136–138 (2010). https://doi.org/10.1038/nphoton.2010.12

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