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, Professor 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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