Physics – Quantum Physics
Scientific paper
2011-11-09
Physics
Quantum Physics
7 pages, 3 figures. Submitted to the Proceedings of the 20th International Laser Physics Workshop (LPHYS'11)
Scientific paper
We describe an experimental setup based on spontaneous parametric down-conversion to produce multiple photon pairs in maximally entangled polarization states using an arrangement of two type-I nonlinear crystals. By introducing correlated polarization noise in the paths of the generated photons one can prepare mixed entangled states whose properties illustrate fundamental results obtained recently in quantum information theory, in particular those concerning bound entanglement and privacy.
Banaszek Konrad
Demkowicz-Dobrzanski Rafal
Dobek Krzysztof
Horodecki Pawel
Karpinski Marek
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