Quantum feedback: Theory, experiments, and applications

The control of individual quantum systems is now a reality in a variety of physical settings. Feedback control is an important class of control methods because of its ability to reduce the effects of noise. In this review we give an introductory overview of the various ways in which feedback may be...

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Bibliographic Details
Published in:Physics reports Vol. 679; pp. 1 - 60
Main Authors: Zhang, Jing, Liu, Yu-xi, Wu, Re-Bing, Jacobs, Kurt, Nori, Franco
Format: Journal Article
Language:English
Published: Elsevier B.V 27.03.2017
Subjects:
Cavity QED
Circuit QED
Optomechanics
Quantum control
Quantum feedback
Quantum information processing
Quantum nanoelectromechanics
Quantum optics
Quantum information processing
Optomechanics
Quantum feedback
Quantum optics
Circuit QED
Quantum nanoelectromechanics
Cavity QED
Quantum control
ISSN:0370-1573, 1873-6270
Online Access:Get full text
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Summary:The control of individual quantum systems is now a reality in a variety of physical settings. Feedback control is an important class of control methods because of its ability to reduce the effects of noise. In this review we give an introductory overview of the various ways in which feedback may be implemented in quantum systems, the theoretical methods that are currently used to treat it, the experiments in which it has been demonstrated to date, and its applications. In the last few years there has been rapid experimental progress in the ability to realize quantum measurement and control of mesoscopic systems. We expect that the next few years will see further rapid advances in the precision and sophistication of feedback control protocols realized in the laboratory.
ISSN:0370-1573
1873-6270
DOI:10.1016/j.physrep.2017.02.003