Biased Tomography Schemes: An Objective Approach

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Z. Hradil,¹ D. Mogilevtsev,² and J.

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ek¹
¹Department of Optics, Palacky University, 17. listopadu 50, 772 00 Olomouc, Czech Republic
²Institute of Physics, Belarus National Academy of Sciences, F.Skarina Avenue 68, Minsk 220072 Belarus and Departamento de Física, Universidade Federal de Alagoas, Cidade Universitária, 57072-970, Maceió, AL, Brazil

Received 22 November 2005; published 12 June 2006

Wereport on an intrinsic relationship between the maximum-likelihood quantum-state estimationand the representation of the signal. A quantum analogy ofthe transfer function determines the space where the reconstruction shouldbe done without the need for any ad hoc truncations ofthe Hilbert space. An illustration of this method is providedby a simple yet practically important tomography of an opticalsignal registered by realistic binary detectors.

URL:	http://link.aps.org/doi/10.1103/PhysRevLett.96.230401
DOI:	10.1103/PhysRevLett.96.230401
PACS:	03.65.Wj; 42.50.Lc 03.65.Wj State reconstruction, quantum tomography 42.50.Lc Quantum fluctuations, quantum noise, and quantum jumps (quantum optics) YEAR: 2006

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