Improving quantum interferometry by using entanglement (to take a decision you'd better use entanglement)

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dc.creatorD'Ariano, G. M.
dc.creatorParis, Matteo G. A
dc.creatorPerinotti, Paolo
dc.date2001-10-17
dc.date.accessioned2026-07-07T07:52:40Z
dc.date.available2026-07-07T07:52:40Z
dc.descriptionWe address the use of entanglement to improve the precision of generalized quantum interferometry, i.e. of binary measurements aimed to determine whether or not a perturbation has been applied by a given device. For the most relevant operations in quantum optics, we evaluate the optimal detection strategy and the ultimate bounds to the minimum detectable perturbation. Our results indicate that entanglement-assisted strategies improve the discrimination in comparison with conventional schemes. A concrete setup to approach performances of the optimal strategies is also suggested.
dc.description2 figs
dc.identifierhttps://arxiv.org/abs/quant-ph/0110105
dc.identifierhttp://arxiv.org/abs/quant-ph/0110105
dc.identifierPhys. Rev A vol 65 062106 (2002)
dc.identifierdoi:10.1103/PhysRevA.65.062106
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/125965
dc.subjectQuantum Physics
dc.titleImproving quantum interferometry by using entanglement (to take a decision you'd better use entanglement)
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