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Statements

Subject Item
n2:RIV%2F61989592%3A15310%2F13%3A33144339%21RIV14-TA0-15310___
rdf:type
n14:Vysledek skos:Concept
dcterms:description
We show that the information collected in the course of a generic quantum tomography experiment can be used for verifying experimenters? assumptions about the state preparation and measurement. In particular, systematic errors, such as drifts and instabilities inherent in the tomography setup, can be identified without the need for any specific measurements designed to detect such problems. This is done by statistical analysis of available tomography data. As an example, we discuss the detection and characterization of unexpected changes in the signal state preparation during the tomography measurement and argue that minimal tomography schemes, such as symmetric informationally complete measurements, are more difficult to validate than overcomplete schemes. The method is illustrated with the analysis of experimental quantum homodyne tomography We show that the information collected in the course of a generic quantum tomography experiment can be used for verifying experimenters? assumptions about the state preparation and measurement. In particular, systematic errors, such as drifts and instabilities inherent in the tomography setup, can be identified without the need for any specific measurements designed to detect such problems. This is done by statistical analysis of available tomography data. As an example, we discuss the detection and characterization of unexpected changes in the signal state preparation during the tomography measurement and argue that minimal tomography schemes, such as symmetric informationally complete measurements, are more difficult to validate than overcomplete schemes. The method is illustrated with the analysis of experimental quantum homodyne tomography
dcterms:title
Cross-Validated Tomography Cross-Validated Tomography
skos:prefLabel
Cross-Validated Tomography Cross-Validated Tomography
skos:notation
RIV/61989592:15310/13:33144339!RIV14-TA0-15310___
n14:predkladatel
n15:orjk%3A15310
n3:aktivita
n16:P
n3:aktivity
P(TE01020229)
n3:cisloPeriodika
9
n3:dodaniDat
n4:2014
n3:domaciTvurceVysledku
n13:9395296 n13:6180523
n3:druhVysledku
n17:J
n3:duvernostUdaju
n9:S
n3:entitaPredkladatele
n12:predkladatel
n3:idSjednocenehoVysledku
67357
n3:idVysledku
RIV/61989592:15310/13:33144339
n3:jazykVysledku
n18:eng
n3:klicovaSlova
States
n3:klicoveSlovo
n19:States
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[BE236CBA7DC3]
n3:nazevZdroje
Physical Review Letters
n3:obor
n5:BH
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
4
n3:projekt
n10:TE01020229
n3:rokUplatneniVysledku
n4:2013
n3:svazekPeriodika
111
n3:tvurceVysledku
Hradil, Zdeněk Shchesnovich, V. S. Řeháček, Jaroslav Mogilevtsev, D.
n3:wos
000324642100002
s:issn
0031-9007
s:numberOfPages
5
n20:doi
10.1103/PhysRevLett.111.120403
n7:organizacniJednotka
15310