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A proposed testbed for detector tomography

  • Measurement 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.

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Metadaten
Author:Hendrik B. Coldenstrodt-Ronge, Jeff S. Lundeen, Kenny L. Pregnell, Alvaro Feito, Brian J. Smith, Wolfgang MauererORCiDGND, Christine SilberhornORCiDGND, Jens Eisert, Martin B. Plenio, Ian A. Walmsley
DOI:https://doi.org/10.1080/09500340802304929
Parent Title (English):Journal of Modern Optics
Publisher:Taylor&Francis
Document Type:Article
Language:English
Year of first Publication:2009
Release Date:2022/05/10
Volume:56
Issue:2-3
First Page:432
Last Page:441
Institutes:Fakultät Informatik und Mathematik
Fakultät Informatik und Mathematik / Labor für Digitalisierung (LFD)
Begutachtungsstatus:peer-reviewed
Publication:Externe Publikationen
research focus:Digitalisierung
Licence (German):Keine Lizenz - Es gilt das deutsche Urheberrecht: § 53 UrhG