Two dimensional characterization of space-momentum entangled photon pairs

Martin Ostermeyer; Dietmar Korn; Dirk Puhlmann

doi:10.1080/09500340903359962

Two dimensional characterization of space-momentum entangled photon pairs

Quantum Physics 2015-05-13 v1

Authors: Martin Ostermeyer , Dietmar Korn , Dirk Puhlmann

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Abstract

Space momentum entangled photon pairs are generated from type II parametric down conversion in a beta barium borate crystal. The correlations in the positions of photons in the near field and far field planes with regard to the generating crystal are observed in both transverse dimensions using scanning fiber probes. The space-momentum correlation is characterized using a covariance description for a bivariate normal distribution and tested for non-separability with Mancini's criterion. The role of higher order spatial modes to observe spatial entanglement between the two photons is discussed.

Keywords

space-momentum entanglement photon pairs type II parametric down conversion beta barium borate crystal spatial correlation covariance description mancini's criterion higher order spatial modes

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@article{arxiv.0905.4830,
  title  = {Two dimensional characterization of space-momentum entangled photon pairs},
  author = {Martin Ostermeyer and Dietmar Korn and Dirk Puhlmann},
  journal= {arXiv preprint arXiv:0905.4830},
  year   = {2015}
}

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12 pages

Two dimensional characterization of space-momentum entangled photon pairs

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