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Violation of a Bell inequality in two-dimensional orbital angular momentum state-spaces

Leach, J. and Jack, B. and Romero, J. and Ritsch-Marte, M. and Boyd, R.W. and Jha, A.K. and Barnett, S.M. and Franke-Arnold, S. and Padgett, M.J. (2009) Violation of a Bell inequality in two-dimensional orbital angular momentum state-spaces. Optics Express, 17 (10). pp. 8287-8293. ISSN 1094-4087

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    Abstract

    We observe entanglement between photons in controlled super-position states of orbital angular momentum (OAM). By drawing a direct analogy between OAM and polarization states of light, we demonstrate the entangled nature of high order OAM states generated by spontaneous downconversion through violation of a suitable Clauser Horne Shimony Holt (CHSH)-Bell inequality. We demonstrate this violation in a number of two-dimensional subspaces of the higher dimensional OAM Hilbert space.

    Item type: Article
    ID code: 19131
    Notes: Strathprints' policy is to record up to 8 authors per publication, plus any additional authors based at the University of Strathclyde. More authors may be listed on the official publication than appear in the Strathprints' record.
    Keywords: hidden variable theories, local theories, light beams, entanglement, Physics, Atomic and Molecular Physics, and Optics
    Subjects: Science > Physics
    Department: Faculty of Science > Physics
    Related URLs:
      Depositing user: Strathprints Administrator
      Date Deposited: 20 May 2010 15:01
      Last modified: 28 Mar 2014 11:22
      URI: http://strathprints.strath.ac.uk/id/eprint/19131

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