Linear optics quantum process tomography

J. B. Altepeter; E. R. Jeffreyl; M. Medic; Prem Kumar

doi:10.1063/1.3131374

Linear optics quantum process tomography

J. B. Altepeter, E. R. Jeffreyl, M. Medic, Prem Kumar

Electrical and Computer Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Linear optics quantum computation (LOQC) eliminates the need for a strongly nonlinear photon-photon interaction to create entangling gate operation, instead replacing it with the fundamental nonlinearity of quantum measurement. The LOQC gates rely on nondeterministic performance conditioned on detection or nondetection of events in ancillary modes, and are normally characterized in the multiple photon basis in which they are designed to operate. By assuming that the underlying physical structure of an LOQC gate is linear, and therefore describable entirely by it's action on single-photon input states, it is possible to exponentially reduce the number of parameters necessary to characterize that gate.

Original language	English (US)
Title of host publication	Quantum Communication, Measurement and Computing (QCMC) - The Ninth International Conference
Pages	459-462
Number of pages	4
DOIs	https://doi.org/10.1063/1.3131374
State	Published - Nov 27 2009
Event	9th International Conference on Quantum Communication, Measurement And Computing, QCMC - Calgary, AB, Canada Duration: Aug 19 2009 → Aug 24 2009

Publication series

Name	AIP Conference Proceedings
Volume	1110
ISSN (Print)	0094-243X
ISSN (Electronic)	1551-7616

Other

Other	9th International Conference on Quantum Communication, Measurement And Computing, QCMC
Country	Canada
City	Calgary, AB
Period	8/19/09 → 8/24/09

Keywords

LOQC
Process
Tomography

ASJC Scopus subject areas

Physics and Astronomy(all)

Access to Document

10.1063/1.3131374

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Cite this

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abstract = "Linear optics quantum computation (LOQC) eliminates the need for a strongly nonlinear photon-photon interaction to create entangling gate operation, instead replacing it with the fundamental nonlinearity of quantum measurement. The LOQC gates rely on nondeterministic performance conditioned on detection or nondetection of events in ancillary modes, and are normally characterized in the multiple photon basis in which they are designed to operate. By assuming that the underlying physical structure of an LOQC gate is linear, and therefore describable entirely by it's action on single-photon input states, it is possible to exponentially reduce the number of parameters necessary to characterize that gate.",

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Altepeter, JB, Jeffreyl, ER, Medic, M & Kumar, P 2009, Linear optics quantum process tomography. in Quantum Communication, Measurement and Computing (QCMC) - The Ninth International Conference. AIP Conference Proceedings, vol. 1110, pp. 459-462, 9th International Conference on Quantum Communication, Measurement And Computing, QCMC, Calgary, AB, Canada, 8/19/09. https://doi.org/10.1063/1.3131374

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AU - Altepeter, J. B.

AU - Jeffreyl, E. R.

AU - Medic, M.

AU - Kumar, Prem

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N2 - Linear optics quantum computation (LOQC) eliminates the need for a strongly nonlinear photon-photon interaction to create entangling gate operation, instead replacing it with the fundamental nonlinearity of quantum measurement. The LOQC gates rely on nondeterministic performance conditioned on detection or nondetection of events in ancillary modes, and are normally characterized in the multiple photon basis in which they are designed to operate. By assuming that the underlying physical structure of an LOQC gate is linear, and therefore describable entirely by it's action on single-photon input states, it is possible to exponentially reduce the number of parameters necessary to characterize that gate.

AB - Linear optics quantum computation (LOQC) eliminates the need for a strongly nonlinear photon-photon interaction to create entangling gate operation, instead replacing it with the fundamental nonlinearity of quantum measurement. The LOQC gates rely on nondeterministic performance conditioned on detection or nondetection of events in ancillary modes, and are normally characterized in the multiple photon basis in which they are designed to operate. By assuming that the underlying physical structure of an LOQC gate is linear, and therefore describable entirely by it's action on single-photon input states, it is possible to exponentially reduce the number of parameters necessary to characterize that gate.

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KW - Process

KW - Tomography

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