Ancilla-assisted quantum process tomography

J. B. Altepeter; D. Branning; E. Jeffrey; T. C. Wei; P. G. Kwiat; R. T. Thew; J. L. O'Brien; M. A. Nielsen; A. G. White

doi:10.1103/PhysRevLett.90.193601

Ancilla-assisted quantum process tomography

J. B. Altepeter, D. Branning, E. Jeffrey, T. C. Wei, P. G. Kwiat, R. T. Thew, J. L. O'Brien, M. A. Nielsen, A. G. White

Research output: Contribution to journal › Article › peer-review

275 Citations (Scopus)

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Abstract

An overview is given of optical implementations of of SQPT, EAPT, and nonentangled AAPT for a variety of processes, including unitary, decohering, and non-trace-preserving operations. A theoretical result completely characterizing the class of states usable for AAPT is discussed.

Original language	English
Journal	Physical Review Letters
Volume	90
Issue number	19
DOIs	https://doi.org/10.1103/PhysRevLett.90.193601
Publication status	Published - 16 May 2003
Externally published	Yes

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author = "Altepeter, {J. B.} and D. Branning and E. Jeffrey and Wei, {T. C.} and Kwiat, {P. G.} and Thew, {R. T.} and O'Brien, {J. L.} and Nielsen, {M. A.} and White, {A. G.}",

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AU - Branning, D.

AU - Jeffrey, E.

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AU - Kwiat, P. G.

AU - Thew, R. T.

AU - O'Brien, J. L.

AU - Nielsen, M. A.

AU - White, A. G.

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AB - An overview is given of optical implementations of of SQPT, EAPT, and nonentangled AAPT for a variety of processes, including unitary, decohering, and non-trace-preserving operations. A theoretical result completely characterizing the class of states usable for AAPT is discussed.

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Ancilla-assisted quantum process tomography

Abstract

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