Entangled optical vortex links

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Romero, J. and Leach, J. and Jack, B. and Dennis, M. R. and Franke-Arnold, S. and Barnett, S. M. and Padgett, M. J. (2011) Entangled optical vortex links. Physical Review Letters, 106 (10). 100407. ISSN 1079-7114 (https://doi.org/10.1103/PhysRevLett.106.100407)

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Abstract

Optical vortices are lines of phase singularity which percolate through all optical fields. We report the entanglement of linked optical vortex loops in the light produced by spontaneous parametric down-conversion. As measured by using a Bell inequality, this entanglement between topological features extends over macroscopic and finite volumes. The entanglement of photons in complex three-dimensional topological states suggests the possibility of entanglement of similar features in other quantum systems describable by complex scalar functions, such as superconductors, superfluids, and Bose-Einstein condensates.

  • Item type:Article
    ID code:30183
    Dates:
    Date
    Event
    11 March 2011
    Published
    Subjects:Science > Physics
    Department:Faculty of Science > Physics
    Depositing user: Pure Administrator
    Date deposited:31 Mar 2011 04:12
    Last modified:11 Nov 2024 09:41
    Related URLs:
    URI:https://strathprints.strath.ac.uk/id/eprint/30183
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