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Proceedings Paper

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

Paper Details

Date Published: 19 November 2012
PDF: 9 pages
Proc. SPIE 8542, Electro-Optical Remote Sensing, Photonic Technologies, and Applications VI, 85421T (19 November 2012); doi: 10.1117/12.981414
Show Author Affiliations
Daniel S. Tasca, Univ. of Glasgow (United Kingdom)
Matthew P. Edgar, Univ. of Glasgow (United Kingdom)
Frauke Izdebski, Heriot-Watt Univ. (United Kingdom)
Ryan E. Warburton, Heriot-Watt Univ. (United Kingdom)
Jonathan Leach, Univ. of Ottawa (Canada)
Megan Agnew, Univ. of Ottawa (Canada)
Gerald S. Buller, Heriot-Watt Univ. (United Kingdom)
Robert W. Boyd, Univ. of Ottawa (Canada)
Miles J. Padgett, Univ. of Glasgow (United Kingdom)


Published in SPIE Proceedings Vol. 8542:
Electro-Optical Remote Sensing, Photonic Technologies, and Applications VI
Gary W. Kamerman; Ove Steinvall; Gary J. Bishop; John Gonglewski; Mark T. Gruneisen; Miloslav Dusek; John G. Rarity; Keith L. Lewis; Richard C. Hollins; Thomas J. Merlet, Editor(s)

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