Increasing entanglement between Gaussian states by coherent photon subtraction

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dc.creatorOurjoumtsev, Alexei
dc.creatorDantan, Aurelien
dc.creatorTualle-Brouri, Rosa
dc.creatorGrangier, Philippe
dc.date2006-08-29
dc.date2007-01-30
dc.date.accessioned2026-07-07T07:43:42Z
dc.date.available2026-07-07T07:43:42Z
dc.descriptionWe experimentally demonstrate that the entanglement between Gaussian entangled states can be increased by non-Gaussian operations. Coherent subtraction of single photons from Gaussian quadrature-entangled light pulses, created by a non-degenerate parametric amplifier, produces delocalized states with negative Wigner functions and complex structures, more entangled than the initial states in terms of negativity. The experimental results are in very good agreement with the theoretical predictions.
dc.identifierhttps://arxiv.org/abs/quant-ph/0608230
dc.identifierhttp://arxiv.org/abs/quant-ph/0608230
dc.identifierPhysical review letters 98 (2007) 030502
dc.identifierdoi:10.1103/PhysRevLett.98.030502
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/122934
dc.subjectQuantum Physics
dc.titleIncreasing entanglement between Gaussian states by coherent photon subtraction
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