A proposed testbed for detector tomography

Details A proposed testbed for detector tomography A proposed testbed for detector tomography

2009-02-25

arxiv.org/abs/0902.4384v1

J. Mod. Opt. 56, 432 (2009)

Physics

Quantum Physics

9 pages, 4 figures

Scientific paper

10.1080/09500340802304929

Measurement is the only part of a general quantum system that has yet to be characterized experimentally in a complete manner. Detector tomography provides a procedure for doing just this; an arbitrary measurement device can be fully characterized, 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 realized experimental apparatus to perform detector tomography on them. We also present a method of visualizing the resulting measurement operators.

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