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  • Phase-insensitive optical amplification of an unknown quantum state is known to be a fundamentally noisy operation that inevitably adds noise to the amplified state(1-5). However, this fundamental noise penalty in amplification can be circumvented by resorting to a probabilistic scheme as recently proposed and demonstrated in refs 6-8. These amplifiers are based on highly non-classical resources in a complex interferometer. Here we demonstrate a probabilistic quantum amplifier beating the fundamental quantum limit using a thermal-noise source and a photon-number-subtraction scheme(9).
  • Phase-insensitive optical amplification of an unknown quantum state is known to be a fundamentally noisy operation that inevitably adds noise to the amplified state(1-5). However, this fundamental noise penalty in amplification can be circumvented by resorting to a probabilistic scheme as recently proposed and demonstrated in refs 6-8. These amplifiers are based on highly non-classical resources in a complex interferometer. Here we demonstrate a probabilistic quantum amplifier beating the fundamental quantum limit using a thermal-noise source and a photon-number-subtraction scheme(9). (en)
Title
  • Noise-powered probabilistic concentration of phase information
  • Noise-powered probabilistic concentration of phase information (en)
skos:prefLabel
  • Noise-powered probabilistic concentration of phase information
  • Noise-powered probabilistic concentration of phase information (en)
skos:notation
  • RIV/61989592:15310/10:10212648!RIV11-GA0-15310___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(7E08028), P(GA202/08/0224), P(GPP205/10/P319), P(LC06007), Z(MSM6198959213)
http://linked.open...iv/cisloPeriodika
  • 10
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
  • 274961
http://linked.open...ai/riv/idVysledku
  • RIV/61989592:15310/10:10212648
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • AMPLIFICATION; QUANTUM LIMITS; LINEAR-AMPLIFIERS (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV
  • [FCE2811A80FB]
http://linked.open...i/riv/nazevZdroje
  • Nature Physics
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
  • 6
http://linked.open...iv/tvurceVysledku
  • Filip, Radim
  • Marek, Petr
  • Andersen, Ulrik
  • Leuchs, Gerd
  • Marquardt, Christoph
  • Wittmann, Christoffer
  • Müller, Christian
  • Usuga, Mario
http://linked.open...ain/vavai/riv/wos
  • 000283570000017
http://linked.open...n/vavai/riv/zamer
issn
  • 1745-2473
number of pages
http://localhost/t...ganizacniJednotka
  • 15310
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