A proposed testbed for detector tomography

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DOIResolve DOI: http://doi.org/10.1080/09500340802304929
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TypeArticle
Journal titleJournal of Modern Optics
Volume56
Issue2-3
Pages432441; # of pages: 11
Subjecttomography; quantum; measurement; POVM; Wigner-function; photon counting
AbstractMeasurement is the only part of a general quantum system that has yet to be characterised experimentally in a complete manner. Detector tomography provides a procedure for doing just this; an arbitrary measurement device can be fully characterised, and thus calibrated, in a systematic way without access to its components or its design. The result is a reconstructed POVM containing the measurement operators associated with each measurement outcome. We consider two detectors, a single-photon detector and a photon-number counter, and propose an easily realised experimental apparatus to perform detector tomography on them. We also present a method of visualising the resulting measurement operators.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada (NRC-CNRC)
Peer reviewedYes
NPARC number15743665
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Record identifier44fa67be-e288-4886-b80d-d29878bb615f
Record created2010-06-25
Record modified2016-05-09
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