About: Optimal entanglement-assisted discrimination of quantum measurements

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://dx.doi.org/10.1103/PhysRevA.90.022317
Description	We investigate optimal discrimination between two projective single-qubit measurements in a scenario where the measurement can be performed only once. We consider general setting involving a tunable fraction of inconclusive outcomes and we prove that the optimal discrimination strategy requires an entangled probe state for any nonzero rate of inconclusive outcomes. We experimentally implement this optimal discrimination strategy for projective measurements on polarization states of single photons. Our setup involves a real-time electrooptical feed-forward loop which allows us to fully harness the benefits of entanglement in discrimination of quantum measurements. The experimental data clearly demonstrate the advantage of entanglement-based discrimination strategy as compared to unentangled single-qubit probes. We investigate optimal discrimination between two projective single-qubit measurements in a scenario where the measurement can be performed only once. We consider general setting involving a tunable fraction of inconclusive outcomes and we prove that the optimal discrimination strategy requires an entangled probe state for any nonzero rate of inconclusive outcomes. We experimentally implement this optimal discrimination strategy for projective measurements on polarization states of single photons. Our setup involves a real-time electrooptical feed-forward loop which allows us to fully harness the benefits of entanglement in discrimination of quantum measurements. The experimental data clearly demonstrate the advantage of entanglement-based discrimination strategy as compared to unentangled single-qubit probes. (en)
Title	Optimal entanglement-assisted discrimination of quantum measurements Optimal entanglement-assisted discrimination of quantum measurements (en)
skos:prefLabel	Optimal entanglement-assisted discrimination of quantum measurements Optimal entanglement-assisted discrimination of quantum measurements (en)
skos:notation	RIV/00216224:14330/14:00080087!RIV15-MSM-14330___
http://linked.open...avai/riv/aktivita	P S
http://linked.open...avai/riv/aktivity	P(EE2.3.30.0004), P(GA13-20319S), S
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Ziman, Mário
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	Masarykova univerzita / Fakulta informatiky
http://linked.open...dnocenehoVysledku	34804
http://linked.open...ai/riv/idVysledku	RIV/00216224:14330/14:00080087
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	quantum measurement; quantum information; quantum optics (en)
http://linked.open.../riv/klicoveSlovo	quantum measurement quantum optics quantum information
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[0CE245441D11]
http://linked.open...i/riv/nazevZdroje	Physical Review
http://linked.open...in/vavai/riv/obor	BE
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	8 (xsd:int)
http://linked.open...vavai/riv/projekt	Optické kvantové zpracování informace pomocí slabých kvantových měření POST-UP
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	90
http://linked.open...iv/tvurceVysledku	Fiurášek, Jaromír Ježek, Miroslav Straka, Ivan Dušek, Miloslav Mičuda, Michal Sedlák, Michal Ziman, Mário Miková, Martina
http://linked.open...ain/vavai/riv/wos	000341251400007
issn	1050-2947
number of pages	6 (xsd:int)
http://bibframe.org/vocab/doi	10.1103/PhysRevA.90.022317
http://localhost/t...ganizacniJednotka	14330

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