Leach, J., Jack, B., Romero, J., Ireland, D. , Franke-Arnold, S. , Barnett, S. and Padgett, M. (2010) Quantum Imaging and Orbital Angular Momentum. In: SPIE OPTO 2010: Complex Light and Optical Forces IV, San Francisco, CA, USA, 27-28 Jan 2010, 76130L. ISBN 9780819480095 (doi: 10.1117/12.845250)
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Abstract
We report a violation of the CHSH inequality for ghost-images. This is achieved by using two spatially separated phase modulators within the context of a two-photon parametric down-conversion experiment. We obtain edge enhanced images as a direct consequence of the quantum correlations in the orbital angular momentum (OAM) of the down-converted photon pairs. For phase objects, with differently orientated edges, we show a violation of the CHSH Bell-type inequality for an OAM subspace, thereby unambiguously revealing the quantum nature of our ghost-imaging arrangement.
| Item Type: | Conference Proceedings |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Padgett, Professor Miles and Ireland, Professor David and Barnett, Professor Stephen and Franke-Arnold, Professor Sonja and Leach, Mr Jonathan |
| Authors: | Leach, J., Jack, B., Romero, J., Ireland, D., Franke-Arnold, S., Barnett, S., and Padgett, M. |
| College/School: | College of Science and Engineering > School of Physics and Astronomy |
| ISSN: | 0277-786X |
| ISBN: | 9780819480095 |
| Published Online: | 08 February 2010 |
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