Limitations of quantum process tomography

Lynden K. Shalm; Morgan W. Mitchell; Aephraim M. Steinberg

doi:10.1117/12.583241

11 January 2005 Limitations of quantum process tomography

Lynden K. Shalm, Morgan W. Mitchell, Aephraim M. Steinberg

Proceedings Volume 5631, Quantum Optics and Applications in Computing and Communications II; (2005) https://doi.org/10.1117/12.583241
Event: Photonics Asia, 2004, Beijing, China

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.

Citation Download Citation

Lynden K. Shalm, Morgan W. Mitchell, and Aephraim M. Steinberg "Limitations of quantum process tomography", Proc. SPIE 5631, Quantum Optics and Applications in Computing and Communications II, (11 January 2005); https://doi.org/10.1117/12.583241

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