High-dimensional spatial entanglement observed with an electron multiplying CCD camera

Tasca, D. S., Edgar, M. P., Izdebski, F., Warburton, R. E., Leach, J., Agnew, M., Buller, G. S., Boyd, R. W. and Padgett, M. J. (2012) High-dimensional spatial entanglement observed with an electron multiplying CCD camera. In: Electro-Optical Remote Sensing, Photonic Technologies, and Applications VI, Edinburgh, UK, 24-26 Sep 2012, 85421T. (doi:10.1117/12.981414)

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Publisher's URL: http://dx.doi.org/10.1117/12.981414

Abstract

Using an electron multiplying CCD camera we observe both image plane (position) and far field (momentum) correlations between photon pairs produced from spontaneous parametric down-conversion when using a 201 x 201 bi-dimensional array of pixels and a flux of around 0.02 photons/pixel. After background subtraction we characterize the strength of signal and idler correlations in both transverse dimensions by applying entanglement and EPR criteria, showing good agreement with the theoretical predictions. The application of such devices in quantum optics could have a wide range, including quantum computation with spatial degrees of freedom of single photons.

Item Type:Conference Proceedings
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Padgett, Professor Miles and Edgar, Dr Matthew and Tasca, Dr Daniel and Boyd, Professor Robert and Leach, Mr Jonathan
Authors: Tasca, D. S., Edgar, M. P., Izdebski, F., Warburton, R. E., Leach, J., Agnew, M., Buller, G. S., Boyd, R. W., and Padgett, M. J.
College/School:College of Science and Engineering > School of Physics and Astronomy
ISSN:0277786X

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