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Experimental realization of a programmable quantum-state discriminator and a phase-covariant quantum multimeter
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SYSNO ASEP 0102454 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Ostatní články Title Experimental realization of a programmable quantum-state discriminator and a phase-covariant quantum multimeter Title Experimentální realizace programovatelného diskriminátoru kvantových stavů a fázově kovariantní kvantový multimetr Author(s) Soubusta, Jan (FZU-D) RID, ORCID
Černoch, Antonín (FZU-D) RID, ORCID
Fiurášek, J. (CZ)
Dušek, M. (CZ)Source Title Physical Review A. - : American Physical Society - ISSN 1050-2947
Roč. 69, č. 5 (2004), 052321/1-052321/7Number of pages 7 s. Language eng - English Country US - United States Keywords quantum measurement devices ; unambiguous state discrimination ; positive operator valued measure Subject RIV BH - Optics, Masers, Lasers R&D Projects LN00A015 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Annotation We present an optical implementation of two programmable quantum measurement devices. The first one serves for unambiguous discrimination of two nonorthogonal states of a qubit. The particular pair of states to be discriminated is specified by the quantum state of a program qubit. The second device can perform von Neumann measurements on a single qubit in any basis located on the equator of the Bloch sphere Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2005
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