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Description
  • Navrhujeme základní pravděpodobnostní purifikaci neznámých koherentních stavů se superponovaným šumem, vycházejích z různých metod přípravy s neznámých strřením počtem termálních fotonů. Schéma je založeno pouze na linearní optice s lavinovou fotodiodou a nebo heterodynní (homodynní) detekcí použitou k postselekci úspěšný případů. Navrhovaná metoda produkuje výstupní stavy s nižším šumem než předcháyející metody. Purifikace aplikovaná v přípravě stavu může zvýšit clasickou kapacitu komunikace a bezpečnost kvantové distribuce klíče. (cs)
  • A basic feasible probabilistic purification of unknown noisy coherent states, outgoing from different state preparations with unknown mean number of thermal photons, is proposed. The scheme is based only on a linear-optical network with an avalanche photodiode or heterodyne (homodyne) detection used to post-select a successful processing. The suggested probabilistic method can produce an output state with a lower noise than both quantum deterministic and classical probabilistic purification method. The purification applied in the state preparation can increase classical capacity of communication and security of quantum key distribution.
  • A basic feasible probabilistic purification of unknown noisy coherent states, outgoing from different state preparations with unknown mean number of thermal photons, is proposed. The scheme is based only on a linear-optical network with an avalanche photodiode or heterodyne (homodyne) detection used to post-select a successful processing. The suggested probabilistic method can produce an output state with a lower noise than both quantum deterministic and classical probabilistic purification method. The purification applied in the state preparation can increase classical capacity of communication and security of quantum key distribution. (en)
Title
  • Probabilistic purification of noisy coherent states
  • Pravděpodobnostní purifikace koherentních stavů se superponovaným šumem (cs)
  • Probabilistic purification of noisy coherent states (en)
skos:prefLabel
  • Probabilistic purification of noisy coherent states
  • Pravděpodobnostní purifikace koherentních stavů se superponovaným šumem (cs)
  • Probabilistic purification of noisy coherent states (en)
skos:notation
  • RIV/61989592:15310/07:00004581!RIV08-MSM-15310___
http://linked.open.../vavai/riv/strany
  • 609-623
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GP202/03/D239), Z(MSM6198959213)
http://linked.open...iv/cisloPeriodika
  • 7
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
  • 444551
http://linked.open...ai/riv/idVysledku
  • RIV/61989592:15310/07:00004581
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • CONTINUOUS QUANTUM VARIABLES; ERROR-CORRECTION; COMMUNICATION; TELEPORTATION; ENTANGLEMENT; SYMMETRIZATION; STATISTICS; PHASE (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [21175E4DC3DB]
http://linked.open...i/riv/nazevZdroje
  • Quantum Information & Computation
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
  • 7
http://linked.open...iv/tvurceVysledku
  • Filip, Radim
  • Marek, Petr
http://linked.open...n/vavai/riv/zamer
issn
  • 1533-7146
number of pages
http://localhost/t...ganizacniJednotka
  • 15310
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