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Type: Artigo de periódico
Title: Operational Tomography: Fitting of Data Patterns
Author: Rehacek, J
Mogilevtsev, D
Hradil, Z
Abstract: We build an operational scheme for the quantum state reconstruction based on the fitting of data patterns. Each data pattern corresponds to the response of the measurement setup to a predefined reference state. The set of data patterns can be measured experimentally in the calibration stage preceding to the reconstruction. The quorum of reference states plays the role of a positive operator valued measure in terms of which the reconstruction is done. As the main advantage, the procedure is free of notorious problems with projections into non-normalizable quadrature eigenstates, infinite dimensionality, ill-posed inversion, or imperfect detection.
Country: EUA
Editor: Amer Physical Soc
Rights: aberto
Identifier DOI: 10.1103/PhysRevLett.105.010402
Date Issue: 2010
Appears in Collections:Unicamp - Artigos e Outros Documentos

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