About: Optimal two-copy discrimination of quantum measurements

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	We investigate optimal discrimination between two projective quantum measurements on a single qubit. We consider a scenario where the measurement that should be identified can be performed twice and we show that adaptive discrimination strategy, entangled probe states, and feed forward all help to increase the probability of correct identification of the measurement. We also experimentally demonstrate the studied discrimination strategies and test their performance. The employed experimental setup involves projective measurements on polarization states of single photons and preparation of required probe two-photon polarization states by the process of spontaneous parametric downconversion and passive linear optics. We investigate optimal discrimination between two projective quantum measurements on a single qubit. We consider a scenario where the measurement that should be identified can be performed twice and we show that adaptive discrimination strategy, entangled probe states, and feed forward all help to increase the probability of correct identification of the measurement. We also experimentally demonstrate the studied discrimination strategies and test their performance. The employed experimental setup involves projective measurements on polarization states of single photons and preparation of required probe two-photon polarization states by the process of spontaneous parametric downconversion and passive linear optics. (en)
Title	Optimal two-copy discrimination of quantum measurements Optimal two-copy discrimination of quantum measurements (en)
skos:prefLabel	Optimal two-copy discrimination of quantum measurements Optimal two-copy discrimination of quantum measurements (en)
skos:notation	RIV/61989592:15310/09:00010233!RIV10-MSM-15310___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA202/09/0747), P(LC06007), Z(MSM6198959213)
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Fiurášek, Jaromír Mičuda, Michal
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	331891
http://linked.open...ai/riv/idVysledku	RIV/61989592:15310/09:00010233
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	quantum measurement; discrimination of quantum measurements; feedforward; quantum entanglement (en)
http://linked.open.../riv/klicoveSlovo	discrimination of quantum measurements quantum entanglement quantum measurement feedforward
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[E6377BEDE62E]
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	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Quantum-optic experiments with an electronic feedback focused on quantum information processing Centre of Modern Optics
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	80
http://linked.open...iv/tvurceVysledku	Fiurášek, Jaromír Mičuda, Michal
http://linked.open...n/vavai/riv/zamer	Measurement and Information in Optics
issn	1050-2947
number of pages	7 (xsd:int)
http://localhost/t...ganizacniJednotka	15310

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