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Statements

Subject Item
n2:RIV%2F61989592%3A15310%2F10%3A10221907%21RIV11-GA0-15310___
rdf:type
n4:Vysledek skos:Concept
dcterms:description
We propose and experimentally demonstrate a universal quantum averaging process implementing the harmonic mean of quadrature variances. The averaged variances are prepared probabilistically by means of linear optical interference and measurement-induced conditioning. We verify that the implemented harmonic mean yields a lower value than the corresponding value obtained for the standard arithmetic-mean strategy. The effect of quantum averaging is experimentally tested for squeezed and thermal states as well as for uncorrelated and partially correlated noise sources. The harmonic-mean protocol can be used to efficiently stabilize a set of squeezed-light sources with statistically fluctuating noise levels. We propose and experimentally demonstrate a universal quantum averaging process implementing the harmonic mean of quadrature variances. The averaged variances are prepared probabilistically by means of linear optical interference and measurement-induced conditioning. We verify that the implemented harmonic mean yields a lower value than the corresponding value obtained for the standard arithmetic-mean strategy. The effect of quantum averaging is experimentally tested for squeezed and thermal states as well as for uncorrelated and partially correlated noise sources. The harmonic-mean protocol can be used to efficiently stabilize a set of squeezed-light sources with statistically fluctuating noise levels.
dcterms:title
Experimental demonstration of squeezed-state quantum averaging Experimental demonstration of squeezed-state quantum averaging
skos:prefLabel
Experimental demonstration of squeezed-state quantum averaging Experimental demonstration of squeezed-state quantum averaging
skos:notation
RIV/61989592:15310/10:10221907!RIV11-GA0-15310___
n3:aktivita
n7:Z n7:P n7:N
n3:aktivity
N, P(GA202/08/0224), P(LC06007), Z(MSM6198959213)
n3:cisloPeriodika
2
n3:dodaniDat
n8:2011
n3:domaciTvurceVysledku
n11:9410406
n3:druhVysledku
n16:J
n3:duvernostUdaju
n19:S
n3:entitaPredkladatele
n18:predkladatel
n3:idSjednocenehoVysledku
258269
n3:idVysledku
RIV/61989592:15310/10:10221907
n3:jazykVysledku
n10:eng
n3:klicovaSlova
GENERATION
n3:klicoveSlovo
n17:GENERATION
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[8656B4153B01]
n3:nazevZdroje
Physical Review A
n3:obor
n15:BH
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
5
n3:projekt
n13:GA202%2F08%2F0224 n13:LC06007
n3:rokUplatneniVysledku
n8:2010
n3:svazekPeriodika
82
n3:tvurceVysledku
Andersen, lrik Lassen, Mikael Madsen, Lars Skovgaard Filip, Radim Sabuncu, Metin
n3:zamer
n5:MSM6198959213
s:issn
1050-2947
s:numberOfPages
4
n9:organizacniJednotka
15310