About: High spatial entanglement via chirped quasi-phase-matched optical parametric down-conversion

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	By making use of the spatial shape of paired photons, parametric down-conversion allows the generation of two-photon entanglement in a multidimensional Hilbert space. How much entanglement can be generated in this way? In principle, the infinite-dimensional nature of the spatial degree of freedom renders unbounded the amount of entanglement available. However, in practice, the specific configuration used, namely, its geometry, the length of the nonlinear crystal, and the size of the pump beam, can severely limit the value that could be achieved. Here we show that the use of quasi-phase-matching engineering allows one to increase the amount of entanglement generated, reaching values of tens of ebits of entropy of entanglement under different conditions. Our work thus opens a way to fulfill the promise of generating massive spatial entanglement under a diverse variety of circumstances, some more favorable for its experimental implementation. By making use of the spatial shape of paired photons, parametric down-conversion allows the generation of two-photon entanglement in a multidimensional Hilbert space. How much entanglement can be generated in this way? In principle, the infinite-dimensional nature of the spatial degree of freedom renders unbounded the amount of entanglement available. However, in practice, the specific configuration used, namely, its geometry, the length of the nonlinear crystal, and the size of the pump beam, can severely limit the value that could be achieved. Here we show that the use of quasi-phase-matching engineering allows one to increase the amount of entanglement generated, reaching values of tens of ebits of entropy of entanglement under different conditions. Our work thus opens a way to fulfill the promise of generating massive spatial entanglement under a diverse variety of circumstances, some more favorable for its experimental implementation. (en)
Title	High spatial entanglement via chirped quasi-phase-matched optical parametric down-conversion High spatial entanglement via chirped quasi-phase-matched optical parametric down-conversion (en)
skos:prefLabel	High spatial entanglement via chirped quasi-phase-matched optical parametric down-conversion High spatial entanglement via chirped quasi-phase-matched optical parametric down-conversion (en)
skos:notation	RIV/61989592:15310/12:33142142!RIV13-MSM-15310___
http://linked.open...avai/predkladatel	Přírodovědecká fakulta
http://linked.open...avai/riv/aktivita	P S
http://linked.open...avai/riv/aktivity	P(ED2.1.00/03.0058), P(OC09026), S
http://linked.open...iv/cisloPeriodika	5
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Svozilík, Jiří 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	Univerzita Palackého v Olomouci / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	138969
http://linked.open...ai/riv/idVysledku	RIV/61989592:15310/12:33142142
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	High spatial entanglement, spatial shape of paired photons, quasi-phase, optical parametric down-conversion (en)
http://linked.open.../riv/klicoveSlovo	High spatial entanglement optical parametric down-conversion quasi-phase spatial shape of paired photons
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[CA0C11AE99D2]
http://linked.open...i/riv/nazevZdroje	Physical Review A
http://linked.open...in/vavai/riv/obor	BH
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Regional Centre of Advanced Technologies and Materials Photonic-band-gap nonlinear structures as sources of non-classical light.
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	86
http://linked.open...iv/tvurceVysledku	Svozilík, Jiří Peřina, Jan Torres, Juan P.
http://linked.open...ain/vavai/riv/wos	000311138200003
issn	1050-2947
number of pages	5 (xsd:int)
http://bibframe.org/vocab/doi	10.1103/PhysRevA.86.052318
http://localhost/t...ganizacniJednotka	15310
is http://linked.open...avai/riv/vysledek of	High spatial entanglement via chirped quasi-phase-matched optical parametric down-conversion

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