Gaussian quantum information

Weedbrook, Christian, Pirandola, Stefano, Garcia-Patron, Raul, Cerf, Nicolas J., Ralph, Timothy C., Shapiro, Jeffrey H. and Lloyd, Seth (2012) Gaussian quantum information. Reviews of Modern Physics, 84 2: 621-669. doi:10.1103/RevModPhys.84.621

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Author Weedbrook, Christian
Pirandola, Stefano
Garcia-Patron, Raul
Cerf, Nicolas J.
Ralph, Timothy C.
Shapiro, Jeffrey H.
Lloyd, Seth
Title Gaussian quantum information
Journal name Reviews of Modern Physics   Check publisher's open access policy
ISSN 0034-6861
1539-0756
Publication date 2012-05
Sub-type Article (original research)
DOI 10.1103/RevModPhys.84.621
Open Access Status File (Publisher version)
Volume 84
Issue 2
Start page 621
End page 669
Total pages 49
Place of publication College Park, MD, United States
Publisher American Physical Society
Collection year 2013
Language eng
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.
Keyword Continuous-variable systems
2-photon coherent states
Fermionic linear optics
Error-correction
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Mathematics and Physics
Official 2013 Collection
 
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Created: Mon, 21 May 2012, 21:52:29 EST by System User on behalf of School of Mathematics & Physics