Spin-orbit hybrid entanglement of photons and quantum contextuality

Karimi, E., Leach, J., Slussarenko, S., Piccirillo, B., Marrucci, L., Chen, L., She, W., Franke-Arnold, S., Padgett, M. J. and Santamato, E. (2010) Spin-orbit hybrid entanglement of photons and quantum contextuality. Physical Review A: Atomic, Molecular and Optical Physics, 82(2), Art.022115. (doi:10.1103/PhysRevA.82.022115)

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Publisher's URL: http://dx.doi.org/10.1103/PhysRevA.82.022115

Abstract

We demonstrate electromagnetic quantum states of single photons and of correlated photon pairs exhibiting “hybrid” entanglement between spin and orbital angular momentum. These states are obtained from entangled photon pairs emitted by spontaneous parametric down conversion by employing a q plate for coupling the spin and orbital degrees of freedom of a photon. Entanglement and contextual quantum behavior (that is also nonlocal, in the case of photon pairs) is demonstrated by the reported violation of the Clauser-Horne-Shimony-Holt inequality. In addition, a classical analog of the hybrid spin-orbit photonic entanglement is reported and discussed

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Padgett, Professor Miles and Franke-Arnold, Dr Sonja and Leach, Mr Jonathan
Authors: Karimi, E., Leach, J., Slussarenko, S., Piccirillo, B., Marrucci, L., Chen, L., She, W., Franke-Arnold, S., Padgett, M. J., and Santamato, E.
College/School:College of Science and Engineering > School of Physics and Astronomy
Journal Name:Physical Review A: Atomic, Molecular and Optical Physics
Publisher:American Physical Society
ISSN:1050-2947
ISSN (Online):1094-1622

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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
474271Full-field quantum imagingMiles PadgettEngineering & Physical Sciences Research Council (EPSRC)EP/G011656/1Physics and Astronomy