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Proceedings Paper

Limitations of quantum process tomography
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Paper Abstract

Quantum process tomography is often cited as providing all the information that can be known about a given quantum process. In this paper we have shown that even if two processes appear identical under process tomography, it is possible to distinguish them using an interferometric setup. Using this setup, it is possible to gain more information about a process than just tomography provides.

Paper Details

Date Published: 11 January 2005
PDF: 8 pages
Proc. SPIE 5631, Quantum Optics and Applications in Computing and Communications II, (11 January 2005); doi: 10.1117/12.583241
Show Author Affiliations
Lynden K. Shalm, Univ. of Toronto (Canada)
Morgan W. Mitchell, Univ. of Toronto (Canada)
Aephraim M. Steinberg, Univ. of Toronto (Canada)

Published in SPIE Proceedings Vol. 5631:
Quantum Optics and Applications in Computing and Communications II
Guang-Can Guo; Hoi-Kwong Lo; Masahide Sasaki; Songhao Liu, Editor(s)

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