Generation of hybrid polarization-orbital angular momentum entangled states

Eleonora Nagali; Fabio Sciarrino

doi:10.1364/OE.18.018243

Generation of hybrid polarization-orbital angular momentum entangled states

Quantum Physics 2011-03-21 v1

Authors: Eleonora Nagali , Fabio Sciarrino

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Abstract

Hybrid entangled states exhibit entanglement between different degrees of freedom of a particle pair and thus could be useful for asymmetric optical quantum network where the communication channels are characterized by different properties. We report the first experimental realization of hybrid polarization-orbital angular momentum (OAM) entangled states by adopting a spontaneous parametric down conversion source of polarization entangled states and a polarization-OAM transferrer. The generated quantum states have been characterized through quantum state tomography. Finally, the violation of Bell's inequalities with the hybrid two photon system has been observed.

Keywords

hybrid entangled states polarization orbital angular momentum spontaneous parametric down conversion quantum state tomography Bell inequality

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@article{arxiv.1103.3594,
  title  = {Generation of hybrid polarization-orbital angular momentum entangled states},
  author = {Eleonora Nagali and Fabio Sciarrino},
  journal= {arXiv preprint arXiv:1103.3594},
  year   = {2011}
}

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6 pages, 3 figures

Generation of hybrid polarization-orbital angular momentum entangled states

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