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Statements

Subject Item
n2:RIV%2F61989592%3A15310%2F11%3A10224806%21RIV12-MSM-15310___
rdf:type
skos:Concept n13:Vysledek
dcterms:description
We experimentally demonstrate phase-insensitive linear amplification of a continuous variable system in the optical regime, preserving the ancilla system at the output. Since our amplification operation is unitary up to small excess noise, it is reversible beyond the classical limit. Here, entanglement between the amplified output system and the ancilla system is the resource for the reversibility, and the amplification gain is G = 2.0. In addition, combining this amplifier with a beamsplitter, we also demonstrate approximate cloning of coherent states where an anticlone is present. We investigate the reversibility by reconstructing the initial state from the output correlations, and the results are slightly beyond the cloning limit. Furthermore, full characterization of the amplifier and cloner is given by using coherent states with several different mean values as inputs. We experimentally demonstrate phase-insensitive linear amplification of a continuous variable system in the optical regime, preserving the ancilla system at the output. Since our amplification operation is unitary up to small excess noise, it is reversible beyond the classical limit. Here, entanglement between the amplified output system and the ancilla system is the resource for the reversibility, and the amplification gain is G = 2.0. In addition, combining this amplifier with a beamsplitter, we also demonstrate approximate cloning of coherent states where an anticlone is present. We investigate the reversibility by reconstructing the initial state from the output correlations, and the results are slightly beyond the cloning limit. Furthermore, full characterization of the amplifier and cloner is given by using coherent states with several different mean values as inputs.
dcterms:title
Demonstration of a reversible phase-insensitive optical amplifier Demonstration of a reversible phase-insensitive optical amplifier
skos:prefLabel
Demonstration of a reversible phase-insensitive optical amplifier Demonstration of a reversible phase-insensitive optical amplifier
skos:notation
RIV/61989592:15310/11:10224806!RIV12-MSM-15310___
n13:predkladatel
n14:orjk%3A15310
n3:aktivita
n9:Z n9:P
n3:aktivity
P(7E08028), P(GA202/08/0224), P(ME10156), Z(MSM6198959213)
n3:cisloPeriodika
5
n3:dodaniDat
n10:2012
n3:domaciTvurceVysledku
n18:9410406
n3:druhVysledku
n17:J
n3:duvernostUdaju
n7:S
n3:entitaPredkladatele
n20:predkladatel
n3:idSjednocenehoVysledku
193282
n3:idVysledku
RIV/61989592:15310/11:10224806
n3:jazykVysledku
n16:eng
n3:klicovaSlova
NOISE; CLONING; CRITERION; AMPLIFICATION; QUANTUM TELEPORTATION; CONTINUOUS VARIABLE SYSTEMS
n3:klicoveSlovo
n8:NOISE n8:CRITERION n8:CONTINUOUS%20VARIABLE%20SYSTEMS n8:QUANTUM%20TELEPORTATION n8:CLONING n8:AMPLIFICATION
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[3D997E3EA436]
n3:nazevZdroje
Physical Review A
n3:obor
n12:BH
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
4
n3:projekt
n4:ME10156 n4:GA202%2F08%2F0224 n4:7E08028
n3:rokUplatneniVysledku
n10:2011
n3:svazekPeriodika
83
n3:tvurceVysledku
Miwa, Yoshichika Yoshikawa, Jun-Chi Furusawa, Akira Filip, Radim
n3:wos
000290476900004
n3:zamer
n19:MSM6198959213
s:issn
1050-2947
s:numberOfPages
15
n15:organizacniJednotka
15310