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Gaussian quantum information

Open access
Weedbrook, Christian, Pirandola, Stefano, García-Patrón, Raúl, Cerf, Nicolas J., Ralph, Timothy C., Shapiro, Jeffrey H., Lloyd, Seth·2012·Reviews of Modern Physics
DOI 10.1103/revmodphys.84.621
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Abstract

The science of quantum information has arisen over the last two decades centered on the manipulation of individual quanta of information, known as quantum bits or qubits. Quantum computers, quantum cryptography, and quantum teleportation are among the most celebrated ideas that have emerged from this new field. It was realized later on that using continuous-variable quantum information carriers, instead of qubits, constitutes an extremely powerful alternative approach to quantum information processing. This review focuses on continuous-variable quantum information processes that rely on any combination of Gaussian states, Gaussian operations, and Gaussian measurements. Interestingly, such a restriction to the Gaussian realm comes with various benefits, since on the theoretical side, simple analytical tools are available and, on the experimental side, optical components effecting Gaussian processes are readily available in the laboratory. Yet, Gaussian quantum information processing opens the way to a wide variety of tasks and applications, including quantum communication, quantum cryptography, quantum computation, quantum teleportation, and quantum state and channel discrimination. This review reports on the state of the art in this field, ranging from the basic theoretical tools and landmark experimental realizations to the most recent successful developments.

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Metadata

Authors
Weedbrook, C., Pirandola, S., García-Patrón, R., Cerf, N. J., Ralph, T. C., Shapiro, J. H., & Lloyd, S.
Venue
Reviews of Modern Physics
Publisher
American Physical Society (APS)
Published
2012-05-01
Volume
84
Issue
2
Pages
621-669
ISSN
  • 0034-6861 (ISSN-L)
  • 1539-0756
DOI
10.1103/revmodphys.84.621
OpenAlex
W1970948459
Cited by
3,664
References
26
FWCI
146.60
Type
journal article
Language
en
Open access
bronze
Licence
link.aps.org/licenses/aps-default-license (vor)

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Weedbrook, C., Pirandola, S., García-Patrón, R., Cerf, N. J., Ralph, T. C., Shapiro, J. H., & Lloyd, S. (2012). Gaussian quantum information. Reviews of Modern Physics. https://doi.org/10.1103/revmodphys.84.621

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