Paul-Antoine Moreau, Joé Mougin-Sisini, Fabrice Devaux, Eric Lantz
We present a demonstration of EPR entanglement by detecting purely spatial quantum correlations in the near and far-field of highly spatially multimode spontaneous parametric down conversion generated in a type 2 BBO crystal. Full field imaging is performed in the photon counting regime with an electron-multiplying CCD (EMCCD) camera. We obtain a violation of Heisenberg inequalities with inferred quantities taking into account all the biphoton pairs in both the near and far field.
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http://arxiv.org/abs/1204.0990
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