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Statements

Subject Item
n2:RIV%2F61989592%3A15310%2F11%3A10224801%21RIV12-MSM-15310___
rdf:type
n12:Vysledek skos:Concept
dcterms:description
We investigate how the distinguishability of a %22noise%22 particle degrades interference of the %22signal%22 particle. The signal, represented by an equatorial state of a photonic qubit, is mixed with noise, represented by another photonic qubit, via linear coupling on a beam splitter. We report on the degradation of the signal photon interference depending on the degree of indistinguishability between the signal and noise photons. When the photons are completely distinguishable in principle but technically indistinguishable, the visibility drops to the value 1/root 2. As the photons become more indistinguishable, the maximal visibility increases and reaches the unit value for completely indistinguishable photons. We have examined this effect experimentally using a setup with a fiber-optics two-photon Mach-Zehnder interferometer. We investigate how the distinguishability of a %22noise%22 particle degrades interference of the %22signal%22 particle. The signal, represented by an equatorial state of a photonic qubit, is mixed with noise, represented by another photonic qubit, via linear coupling on a beam splitter. We report on the degradation of the signal photon interference depending on the degree of indistinguishability between the signal and noise photons. When the photons are completely distinguishable in principle but technically indistinguishable, the visibility drops to the value 1/root 2. As the photons become more indistinguishable, the maximal visibility increases and reaches the unit value for completely indistinguishable photons. We have examined this effect experimentally using a setup with a fiber-optics two-photon Mach-Zehnder interferometer.
dcterms:title
Visibility bound caused by a distinguishable noise particle Visibility bound caused by a distinguishable noise particle
skos:prefLabel
Visibility bound caused by a distinguishable noise particle Visibility bound caused by a distinguishable noise particle
skos:notation
RIV/61989592:15310/11:10224801!RIV12-MSM-15310___
n12:predkladatel
n13:orjk%3A15310
n3:aktivita
n17:S n17:P n17:Z
n3:aktivity
P(GA202/09/0747), P(LC06007), S, Z(MSM6198959213)
n3:cisloPeriodika
4
n3:dodaniDat
n11:2012
n3:domaciTvurceVysledku
n8:4555201 n8:9410406 n8:1369342 n8:5635381 n8:7652801
n3:druhVysledku
n15:J
n3:duvernostUdaju
n20:S
n3:entitaPredkladatele
n4:predkladatel
n3:idSjednocenehoVysledku
238543
n3:idVysledku
RIV/61989592:15310/11:10224801
n3:jazykVysledku
n14:eng
n3:klicovaSlova
TESTS; PHOTONS; ENVIRONMENT; INTERFERENCE; COMPLEMENTARITY; COHERENCE; DECOHERENCE
n3:klicoveSlovo
n10:INTERFERENCE n10:ENVIRONMENT n10:DECOHERENCE n10:COHERENCE n10:COMPLEMENTARITY n10:PHOTONS n10:TESTS
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[135C78815FCF]
n3:nazevZdroje
Physical Review A
n3:obor
n16:BH
n3:pocetDomacichTvurcuVysledku
5
n3:pocetTvurcuVysledku
5
n3:projekt
n5:GA202%2F09%2F0747 n5:LC06007
n3:rokUplatneniVysledku
n11:2011
n3:svazekPeriodika
83
n3:tvurceVysledku
Čelechovská, Lucie Filip, Radim Gavenda, Miroslav Dušek, Miloslav Soubusta, Jan
n3:wos
000290102300003
n3:zamer
n19:MSM6198959213
s:issn
1050-2947
s:numberOfPages
4
n9:organizacniJednotka
15310