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Statements

Subject Item
n2:RIV%2F61989592%3A15310%2F05%3A00001814%21RIV06-MSM-15310___
rdf:type
skos:Concept n18:Vysledek
dcterms:description
Mnohomódový klanál lze použít k podstatnému navýšení kapacity kvantové distribuce klíče se spojitými proměnnými. Kromě ztrát v tomto kanálu degraduje jeho kapacitu nekontrolovatelná vazba mezi módy tohoto kanálu. Pro distribuci klíče se současným měřením obou komplementárních kvadratur navrhujeme realizovatelnou metodu jak eliminovat jakoukoliv nežádoucí vazbu mezi módy pouze vhodným měřením a manipulací s naměřenými daty na straně adresáta. Lze ji použít pro podstatné navýšení kapacity kanálu, což má významnou aplikaci v praktické kvantové kryptografii se spojitými proměnnými. A multimode channel can be utilized to substantially increase the capacity of quantum continuous-variable key distribution. Beyond losses in the channel, an uncontrollable coupling between the modes of the channel typically degrades the capacity of multimode channels. For the key distribution protocol with simultaneous measurement of both complementary quadratures we propose a feasible method to eliminate any undesirable mode coupling by only the receiver's appropriate measurement and data manipulation. It can be used to substantially increase the capacity of the channel, which has an important application in practical continuous-variable quantum cryptography. A multimode channel can be utilized to substantially increase the capacity of quantum continuous-variable key distribution. Beyond losses in the channel, an uncontrollable coupling between the modes of the channel typically degrades the capacity of multimode channels. For the key distribution protocol with simultaneous measurement of both complementary quadratures we propose a feasible method to eliminate any undesirable mode coupling by only the receiver's appropriate measurement and data manipulation. It can be used to substantially increase the capacity of the channel, which has an important application in practical continuous-variable quantum cryptography.
dcterms:title
Elimination of mode coupling in multimode continuous-variable key distribution Eliminace vazby mezi módy v mnohamódové kvantové distribuci klíče Elimination of mode coupling in multimode continuous-variable key distribution
skos:prefLabel
Elimination of mode coupling in multimode continuous-variable key distribution Elimination of mode coupling in multimode continuous-variable key distribution Eliminace vazby mezi módy v mnohamódové kvantové distribuci klíče
skos:notation
RIV/61989592:15310/05:00001814!RIV06-MSM-15310___
n3:strany
012323-1-4
n3:aktivita
n8:P n8:Z
n3:aktivity
P(GP202/03/D239), P(LN00A015), Z(MSM6198959213)
n3:cisloPeriodika
1
n3:dodaniDat
n6:2006
n3:domaciTvurceVysledku
n17:3492567 n17:9410406
n3:druhVysledku
n19:J
n3:duvernostUdaju
n11:S
n3:entitaPredkladatele
n13:predkladatel
n3:idSjednocenehoVysledku
520101
n3:idVysledku
RIV/61989592:15310/05:00001814
n3:jazykVysledku
n16:eng
n3:klicovaSlova
elimination of mode; multimode continuous-variable
n3:klicoveSlovo
n9:multimode%20continuous-variable n9:elimination%20of%20mode
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[05E4B04029DB]
n3:nazevZdroje
Physical Review A
n3:obor
n15:BH
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
3
n3:projekt
n7:LN00A015 n7:GP202%2F03%2FD239
n3:rokUplatneniVysledku
n6:2005
n3:svazekPeriodika
71
n3:tvurceVysledku
Filip, Radim Mišta, Ladislav Marek, Petr
n3:zamer
n10:MSM6198959213
s:issn
1050-2947
s:numberOfPages
1
n14:organizacniJednotka
15310