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Angular two-photon interference and angular two-qubit states

Jha, Anand Kumar and Leach, Jonathan and Jack, Barry and Franke-Arnold, Sonja and Barnett, Stephen M. and Boyd, Robert W. and Padgett, Miles J. (2010) Angular two-photon interference and angular two-qubit states. Physical Review Letters, 104 (1). ISSN 0031-9007

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    Abstract

    Using angular-position-orbital-angular-momentum entangled photons, we study angular two-photon interference in a scheme in which entangled photons are made to pass through apertures in the form of double angular slits, and using this scheme, we demonstrate an entangled two-qubit state that is based on the angular-position correlations of entangled photons. The entanglement of the two-qubit state is quantified in terms of concurrence. These results provide an additional means for preparing entangled quantum states for use in quantum information protocols.

    Item type: Article
    ID code: 26630
    Keywords: angular two-photon interference, quantum states, two quibit states, Physics, Physics and Astronomy(all)
    Subjects: Science > Physics
    Department: Faculty of Science > Physics
    Related URLs:
    Depositing user: Miss Leonie Airley
    Date Deposited: 09 Aug 2010 13:03
    Last modified: 27 Mar 2014 11:11
    URI: http://strathprints.strath.ac.uk/id/eprint/26630

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