Nonlocal compensation of pure phase objects with entangled photons

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Cialdi, S. and Brivio, D. and Tesio, E. and Paris, M. G. A. (2011) Nonlocal compensation of pure phase objects with entangled photons. Physical Review A, 84 (4). 043817. ISSN 1050-2947 (https://doi.org/10.1103/PhysRevA.84.043817)

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Abstract

We suggest and demonstrate a scheme for coherent nonlocal compensation of pure phase objects based on two-photon polarization and momentum entangled states. The insertion of a single phase object on one of the beams reduces the purity of the overall detected state and the amount of shared entanglement, whereas the original entanglement can be retrieved by adding a suitable phase object on the other beam. In our setup polarization and momentum entangled states are generated by spontaneous parametric downconversion and then purified using a programmable spatial light modulator, which may be also used to impose arbitrary space-dependent phase functions on the beams.

  • Item type:Article
    ID code:41424
    Dates:
    Date
    Event
    October 2011
    Published
    Subjects:Science > Physics
    Department:Faculty of Science > Physics
    Depositing user: Pure Administrator
    Date deposited:13 Oct 2012 12:59
    Last modified:11 Nov 2024 10:14
    Related URLs:
    URI:https://strathprints.strath.ac.uk/id/eprint/41424
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