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  • We propose and experimentally demonstrate nondestructive and noiseless removal (filtering) of vacuum states from an arbitrary set of coherent states of continuous variable systems. Errors, i.e., vacuum states in the quantum information are diagnosed through a weak measurement, and on that basis, probabilistically filtered out. We consider three different filters based on on-off detection, phase stabilized, and phase randomized homodyne detection. We find that on-off detection, optimal in the ideal theoretical setting, is superior to the homodyne strategy also in a practical setting.
  • We propose and experimentally demonstrate nondestructive and noiseless removal (filtering) of vacuum states from an arbitrary set of coherent states of continuous variable systems. Errors, i.e., vacuum states in the quantum information are diagnosed through a weak measurement, and on that basis, probabilistically filtered out. We consider three different filters based on on-off detection, phase stabilized, and phase randomized homodyne detection. We find that on-off detection, optimal in the ideal theoretical setting, is superior to the homodyne strategy also in a practical setting. (en)
  • Navrhujeme a experimentálně demonstrujeme nedestruktivní a bezšumovou filtraci vakuových stavů y libovolné směsi koherentních stavů. Bylo nalezeno že prahová detekce, optimální v teoretickém schématu překonává homodynní detekci také v praktickém uspořádání. (cs)
Title
  • Quantum filtering of optical coherent states
  • Kvantové filtrování optických koherentních stavů (cs)
  • Quantum filtering of optical coherent states (en)
skos:prefLabel
  • Quantum filtering of optical coherent states
  • Kvantové filtrování optických koherentních stavů (cs)
  • Quantum filtering of optical coherent states (en)
skos:notation
  • RIV/61989592:15310/08:00005352!RIV09-MSM-15310___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GC202/07/J040), Z(MSM6198959213)
http://linked.open...iv/cisloPeriodika
  • 3
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
  • 391266
http://linked.open...ai/riv/idVysledku
  • RIV/61989592:15310/08:00005352
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • quantum optics; quantum theory (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [7B4AC19FA88F]
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
  • Marek, Petr
  • Leuchs, Gerd
  • Wittmann, Christoffer
  • Andersen, Ulrik Lund
  • Elser, Dominik
http://linked.open...n/vavai/riv/zamer
issn
  • 1050-2947
number of pages
http://localhost/t...ganizacniJednotka
  • 15310
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