About: Excess-noise-free recording and uploading of nonclassical states to continuous-variable quantum memory     Goto   Sponge   NotDistinct   Permalink

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Description
  • A deterministic excess-noise-free recording of unknown quantum states to continuous-variable quantum atomic memory is proposed. To reach this, the memory experiment is extended by the presqueezing of the recorded state of light and deterministic squeezing post-correction of the recorded state. To upload highly nonclassical resources to the memory, such as single-photon state or superposition of coherent states, a probabilistic method is suggested. With the help of presqueezing of the resource state of light and probabilistic squeezing post-correction, this probabilistic upload approaches a lossless transfer of these highly nonclassical states into the quantum memory. Without the squeezing post-correction, the highly nonclassical state can still be probabilistically uploaded in the limit of a weak light-atom coupling.
  • A deterministic excess-noise-free recording of unknown quantum states to continuous-variable quantum atomic memory is proposed. To reach this, the memory experiment is extended by the presqueezing of the recorded state of light and deterministic squeezing post-correction of the recorded state. To upload highly nonclassical resources to the memory, such as single-photon state or superposition of coherent states, a probabilistic method is suggested. With the help of presqueezing of the resource state of light and probabilistic squeezing post-correction, this probabilistic upload approaches a lossless transfer of these highly nonclassical states into the quantum memory. Without the squeezing post-correction, the highly nonclassical state can still be probabilistically uploaded in the limit of a weak light-atom coupling. (en)
  • Deterministický bezšumový zápis neznámého kvantového stavu do kvantové paměti pro spojité proměnné je navrhnut. Pro zápis jednofotonových stavů světla nebo superpozice koherentních stavů je využita postselekce, umožňují přiblížit se k ideálnímu zápisu. (cs)
Title
  • Excess-noise-free recording and uploading of nonclassical states to continuous-variable quantum memory
  • Zápis neklasických stavů do atomové paměti pro spojité promenné bez přidaného šumu (cs)
  • Excess-noise-free recording and uploading of nonclassical states to continuous-variable quantum memory (en)
skos:prefLabel
  • Excess-noise-free recording and uploading of nonclassical states to continuous-variable quantum memory
  • Zápis neklasických stavů do atomové paměti pro spojité promenné bez přidaného šumu (cs)
  • Excess-noise-free recording and uploading of nonclassical states to continuous-variable quantum memory (en)
skos:notation
  • RIV/61989592:15310/08:00005347!RIV09-MSM-15310___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA202/08/0224), P(LC06007), Z(MSM6198959213)
http://linked.open...iv/cisloPeriodika
  • 1
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 367058
http://linked.open...ai/riv/idVysledku
  • RIV/61989592:15310/08:00005347
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • quantum communication; quantum computing (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [6F7276AD053D]
http://linked.open...i/riv/nazevZdroje
  • Physical Review A
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 78
http://linked.open...iv/tvurceVysledku
  • Filip, Radim
http://linked.open...n/vavai/riv/zamer
issn
  • 1050-2947
number of pages
http://localhost/t...ganizacniJednotka
  • 15310
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