About: Entanglement in optical parametric down-conversion with losses and noise

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	We show that radiation generated in optical parametric down-conversion with losses and noise is entangled for all times if the coupling coefficient is higher than half of damping constant and the product of damping constant and mean number of noise photons. For the process stimulated by means of chaotic light there is a saturable bound of its intensity for the generation of nonclassical light. Otherwise the quantum behaviour and entanglement are fully reduced. Under some restrictions for noise nonclassical light can also be generated at and below the threshold. We show that radiation generated in optical parametric down-conversion with losses and noise is entangled for all times if the coupling coefficient is higher than half of damping constant and the product of damping constant and mean number of noise photons. For the process stimulated by means of chaotic light there is a saturable bound of its intensity for the generation of nonclassical light. Otherwise the quantum behaviour and entanglement are fully reduced. Under some restrictions for noise nonclassical light can also be generated at and below the threshold. (en)
Title	Entanglement in optical parametric down-conversion with losses and noise Entanglement in optical parametric down-conversion with losses and noise (en)
skos:prefLabel	Entanglement in optical parametric down-conversion with losses and noise Entanglement in optical parametric down-conversion with losses and noise (en)
skos:notation	RIV/68378271:_____/09:00337295!RIV10-MSM-68378271
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(1M06002), P(IAA100100713), Z(AV0Z10100522), Z(MSM6198959213)
http://linked.open...iv/cisloPeriodika	19
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Křepelka, Jaromír Peřina, Jan
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Fyzikální ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	313315
http://linked.open...ai/riv/idVysledku	RIV/68378271:_____/09:00337295
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	quantum measurement; parametric down-conversion; nonclassical light (en)
http://linked.open.../riv/klicoveSlovo	nonclassical light quantum measurement parametric down-conversion
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[5FB7B58E231C]
http://linked.open...i/riv/nazevZdroje	Optics Communications
http://linked.open...in/vavai/riv/obor	BH
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Optical structures, detection systems and relevant technologies for low photon number applications Generation and characterization of entangled photon pairs in modern nonlinear structures
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	282
http://linked.open...iv/tvurceVysledku	Křepelka, Jaromír Peřina, Jan
http://linked.open...ain/vavai/riv/wos	000269766400016
http://linked.open...n/vavai/riv/zamer	Wave and Corpuscular Light Propagation, Optical Materials and Technology Measurement and Information in Optics
issn	0030-4018
number of pages	6 (xsd:int)

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