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  • We propose a quantum interface protocol based on two quantum nondemolition (QND) interactions arranged either in sequence or in parallel. Since the QND coupling arises naturally in interactions between light and a macroscopic ensemble of atoms, or between light and a micromechanical oscillator, the proposed interface is capable of transferring a state of light onto these matter systems. The transfer itself is perfect and deterministic for any quantum state, for arbitrarily small interaction strengths, and for arbitrarily large noise of the target system. It requires an all-optical preprocessing with a coupling stronger than that between the light and the matter, and a displacement feed-forward correction of the matter system.We also suggest a probabilistic version of the interface, which eliminates the need for the feed-forward correction at the cost of a reduced success rate.
  • We propose a quantum interface protocol based on two quantum nondemolition (QND) interactions arranged either in sequence or in parallel. Since the QND coupling arises naturally in interactions between light and a macroscopic ensemble of atoms, or between light and a micromechanical oscillator, the proposed interface is capable of transferring a state of light onto these matter systems. The transfer itself is perfect and deterministic for any quantum state, for arbitrarily small interaction strengths, and for arbitrarily large noise of the target system. It requires an all-optical preprocessing with a coupling stronger than that between the light and the matter, and a displacement feed-forward correction of the matter system.We also suggest a probabilistic version of the interface, which eliminates the need for the feed-forward correction at the cost of a reduced success rate. (en)
Title
  • Noise-resilient quantum interface based on quantum nondemolition interactions
  • Noise-resilient quantum interface based on quantum nondemolition interactions (en)
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  • Noise-resilient quantum interface based on quantum nondemolition interactions
  • Noise-resilient quantum interface based on quantum nondemolition interactions (en)
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  • RIV/61989592:15310/10:10212645!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), P(ME10156), Z(MSM6198959213)
http://linked.open...iv/cisloPeriodika
  • 4
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
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http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 274962
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  • RIV/61989592:15310/10:10212645
http://linked.open...riv/jazykVysledku
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  • COMMUNICATION; BACKACTION EVADING MEASUREMENTS (en)
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  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [319E7B94A6C8]
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
  • 81
http://linked.open...iv/tvurceVysledku
  • Filip, Radim
  • Marek, Petr
http://linked.open...ain/vavai/riv/wos
  • 000277227300059
http://linked.open...n/vavai/riv/zamer
issn
  • 1050-2947
number of pages
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  • 15310
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