A high-flux source of polarization-entangled photons from a periodically-poled KTP parametric downconverter

Christopher E. Kuklewicz; Marco Fiorentino; Gaétan Messin; Franco N. C. Wong; Jeffrey H. Shapiro

doi:10.1103/PhysRevA.69.013807

A high-flux source of polarization-entangled photons from a periodically-poled KTP parametric downconverter

Quantum Physics 2016-08-16 v1

Authors: Christopher E. Kuklewicz , Marco Fiorentino , Gaétan Messin , Franco N. C. Wong , Jeffrey H. Shapiro

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Abstract

We have demonstrated a high-flux source of polarization-entangled photons using a type-II phase-matched periodically-poled KTP parametric downconverter in a collinearly propagating configuration. We have observed quantum interference between the single-beam downconverted photons with a visibility of 99% and a measured coincidence flux of 300/s/mW of pump. The Clauser-Horne-Shimony-Holt version of Bell's inequality was violated with a value of 2.711 +/- 0.017.

Keywords

polarization-entangled photons periodically-poled KTP parametric downconversion bell inequality quantum interference

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@article{arxiv.quant-ph/0305092,
  title  = {A high-flux source of polarization-entangled photons from a periodically-poled KTP parametric downconverter},
  author = {Christopher E. Kuklewicz and Marco Fiorentino and Gaétan Messin and Franco N. C. Wong and Jeffrey H. Shapiro},
  journal= {arXiv preprint arXiv:quant-ph/0305092},
  year   = {2016}
}

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7 pages submitted to Physical Review A

A high-flux source of polarization-entangled photons from a periodically-poled KTP parametric downconverter

Abstract

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