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Statements

Subject Item
n2:RIV%2F61989592%3A15310%2F08%3A00005348%21RIV09-MSM-15310___
rdf:type
n5:Vysledek skos:Concept
dcterms:description
Bezpečnost kvantové distribuce klíče s koherentními stavy a homodynní nebo heterodynní detekcí skrz fázově nesenzitivní zesilující kanál je analyzována. Na rozdíl od ztrátového kanálu, bezpečnost proti kolektivním útokům je garantována pro ideální zesilovač, jestliže je použita přímá rekonciliace. Security of coherent-state quantum key distribution with homodyne or heterodyne detection through phase-insensitive amplifying channel is analyzed. Contrary to a lossy channel, the security against collective attacks is guaranteed for any ideal amplification in the channel if the direct reconciliation is applied. If there is excess noise during amplification, the threshold on the security against the collective attacks is determined. Opposite to the lossy channel, the most robust setup against the excess noise is a coherent-state key distribution with homodyne detection and direct reconciliation. Security of coherent-state quantum key distribution with homodyne or heterodyne detection through phase-insensitive amplifying channel is analyzed. Contrary to a lossy channel, the security against collective attacks is guaranteed for any ideal amplification in the channel if the direct reconciliation is applied. If there is excess noise during amplification, the threshold on the security against the collective attacks is determined. Opposite to the lossy channel, the most robust setup against the excess noise is a coherent-state key distribution with homodyne detection and direct reconciliation.
dcterms:title
Security of coherent-state key distribution through an amplifying channel Security of coherent-state key distribution through an amplifying channel Bezpečnost kvantové kryptografie s koherentními stavy distribuovanými skrze zesilující kanál
skos:prefLabel
Security of coherent-state key distribution through an amplifying channel Bezpečnost kvantové kryptografie s koherentními stavy distribuovanými skrze zesilující kanál Security of coherent-state key distribution through an amplifying channel
skos:notation
RIV/61989592:15310/08:00005348!RIV09-MSM-15310___
n3:aktivita
n11:Z n11:P
n3:aktivity
P(GC202/07/J040), P(LC06007), Z(MSM6198959213)
n3:cisloPeriodika
3
n3:dodaniDat
n4:2009
n3:domaciTvurceVysledku
n14:9410406
n3:druhVysledku
n16:J
n3:duvernostUdaju
n10:S
n3:entitaPredkladatele
n19:predkladatel
n3:idSjednocenehoVysledku
394048
n3:idVysledku
RIV/61989592:15310/08:00005348
n3:jazykVysledku
n15:eng
n3:klicovaSlova
quantum cryptography
n3:klicoveSlovo
n13:quantum%20cryptography
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[6179E5C07F16]
n3:nazevZdroje
Physical Review A
n3:obor
n18:BH
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
1
n3:projekt
n8:GC202%2F07%2FJ040 n8:LC06007
n3:rokUplatneniVysledku
n4:2008
n3:svazekPeriodika
77
n3:tvurceVysledku
Filip, Radim
n3:zamer
n12:MSM6198959213
s:issn
1050-2947
s:numberOfPages
1
n17:organizacniJednotka
15310