Concentration of higher dimensional entanglement

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Enhancement of entanglement enhancement is necessary for most quantum communication protocols many of which are defined in Hilbert spaces larger than two. In this work we present the experimental realization of entanglement concentration of orbital angular momentum entangled photons produced in the spontaneous parametric down-conversion process which have been shown to provide a source for higher dimensional entanglement. We investigate the specific case of three dimensions and the possibility of generating different entangled states out of an initial state. The results presented here are of importance for pure states as well as for mixed states.
16 pages, 4 figures - submitted for publication

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Quantum Physics

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http://salesiana.dossiersoluciones.com/handle/123456789/90906

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/quant-ph/0303003
 http://arxiv.org/abs/quant-ph/0303003

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arXiv