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

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

2003-05-16

arxiv.org/abs/quant-ph/0305092v1

Physics

Quantum Physics

7 pages submitted to Physical Review A

Scientific paper

10.1103/PhysRevA.69.013807

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.

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