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Description
  • We propose a refined iterative likelihood-maximization algorithm for reconstructing a quantum state from a set of tomographic measurements. The algorithm is characterized by a very high convergence rate and features a simple adaptive procedure that ensures likelihood increase in every iteration and convergence to the maximum-likelihood state. We apply the algorithm to homodyne tomography of optical states and quantum tomography of entangled spin states of trapped ions and investigate its convergence properties.
  • We propose a refined iterative likelihood-maximization algorithm for reconstructing a quantum state from a set of tomographic measurements. The algorithm is characterized by a very high convergence rate and features a simple adaptive procedure that ensures likelihood increase in every iteration and convergence to the maximum-likelihood state. We apply the algorithm to homodyne tomography of optical states and quantum tomography of entangled spin states of trapped ions and investigate its convergence properties. (en)
  • Navrhli jsme vylepšený algoritmus maximalizující věrohodnost, který je určen pro rekonstrukci kvantového stavu. Navržený algoritmus se vyznačuje rychlou konvergencí a obsahuje jednoduchou adaptivní strategii zaručující nárust věrohodnosti v každém kroku iterace a konvergenci ke stavu s maximální věrohodností. (cs)
Title
  • Diluted maximum-likelihood algorithm for quantum tomography
  • Zředěný algoritmus maximalizující věrohodnost pro kvantovou tomografii. (cs)
  • Diluted maximum-likelihood algorithm for quantum tomography (en)
skos:prefLabel
  • Diluted maximum-likelihood algorithm for quantum tomography
  • Zředěný algoritmus maximalizující věrohodnost pro kvantovou tomografii. (cs)
  • Diluted maximum-likelihood algorithm for quantum tomography (en)
skos:notation
  • RIV/61989592:15310/07:00004519!RIV08-MSM-15310___
http://linked.open.../vavai/riv/strany
  • 042108-1 - 042108-5
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA202/06/0307), P(LC06007), Z(MSM6198959213)
http://linked.open...iv/cisloPeriodika
  • 4
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
  • 417401
http://linked.open...ai/riv/idVysledku
  • RIV/61989592:15310/07:00004519
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • OPTICAL HOMODYNE TOMOGRAPHY; DENSITY-MATRIX; WIGNER FUNCTION; LIGHT MODE; PHASE; DISTRIBUTIONS; VACUUM; STATES (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [7279571D2CB8]
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
  • 75
http://linked.open...iv/tvurceVysledku
  • Hradil, Zdeněk
  • Řeháček, Jaroslav
  • Knill, Emanuel
  • Lvovsky, Alexander
http://linked.open...n/vavai/riv/zamer
issn
  • 1050-2947
number of pages
http://localhost/t...ganizacniJednotka
  • 15310
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