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  • We experimentally demonstrate, with an all-optical setup, a nonlocal deterministic quantum nondemolition interaction gate applicable to quantum states at nodes separated by a physical distance and connected by classical communication channels. The gate implementation, based on entangled states shared in advance, local operations, and classical communication, runs completely in parallel fashion at both of the local nodes, requiring minimum resources. The nondemolition character of the gate up to the local unitary squeezing is verified by the analysis using several coherent states. A genuine quantum nature of the gate is confirmed by the capability of deterministically producing an entangled state at the output from two separable input states. The all-optical nonlocal gate operation can be potentially incorporated into distributed quantum computing with atomic or solid-state systems as a cross-processor unitary operation.
  • We experimentally demonstrate, with an all-optical setup, a nonlocal deterministic quantum nondemolition interaction gate applicable to quantum states at nodes separated by a physical distance and connected by classical communication channels. The gate implementation, based on entangled states shared in advance, local operations, and classical communication, runs completely in parallel fashion at both of the local nodes, requiring minimum resources. The nondemolition character of the gate up to the local unitary squeezing is verified by the analysis using several coherent states. A genuine quantum nature of the gate is confirmed by the capability of deterministically producing an entangled state at the output from two separable input states. The all-optical nonlocal gate operation can be potentially incorporated into distributed quantum computing with atomic or solid-state systems as a cross-processor unitary operation. (en)
Title
  • Nonlocal quantum gate on quantum continuous variables with minimal resources
  • Nonlocal quantum gate on quantum continuous variables with minimal resources (en)
skos:prefLabel
  • Nonlocal quantum gate on quantum continuous variables with minimal resources
  • Nonlocal quantum gate on quantum continuous variables with minimal resources (en)
skos:notation
  • RIV/61989592:15310/14:33150066!RIV15-MSM-15310___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GAP205/12/0577), P(LH13248)
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
  • 32810
http://linked.open...ai/riv/idVysledku
  • RIV/61989592:15310/14:33150066
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • computation; teleportation; states (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [66AF340A18D8]
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
  • 90
http://linked.open...iv/tvurceVysledku
  • Filip, Radim
  • Furusawa, Akira
  • Marek, Petr
  • Ukai, Ryuji
  • Yoshikawa, Jun-Ichi
  • Yokoyama, Shota
http://linked.open...ain/vavai/riv/wos
  • 000339122000010
issn
  • 1050-2947
number of pages
http://bibframe.org/vocab/doi
  • 10.1103/PhysRevA.90.012311
http://localhost/t...ganizacniJednotka
  • 15310
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