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Conditionally generating a mesoscopic superposition of N00N states

Quantum Physics 2016-07-06 v1

Abstract

We study the generation of superpositions of N00N states by overlapping few-photon-subtracted squeezed vacuum states and coherent states on a 50/50 beam splitter. Assuming parameters that are feasible with current technology results in output states with mean photon numbers of several tens. We show that the generated quantum states violate local realism even in the presence of considerable loss. The occurrence of strong quantum correlations for mesoscopic quantum states of light is particularly beneficial for coupling light and matter quantum systems.

Keywords

Cite

@article{arxiv.1607.01296,
  title  = {Conditionally generating a mesoscopic superposition of N00N states},
  author = {Falk Töppel and Maria V. Chekhova and Gerd Leuchs},
  journal= {arXiv preprint arXiv:1607.01296},
  year   = {2016}
}

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7 pages