State Estimation, Measurement, and Control of Quantum Systems

2014 ◽  
pp. 261-289
Keyword(s):  
State Estimation ◽  
Quantum Systems ◽  
Control Of Quantum Systems ◽  
And Control ◽  
Measurement And Control

scholarly journals Corrigendum: Pseudo distributed optimal state estimation for a class of networked systems

2016 ◽  
Vol 38 (12) ◽  
pp. 1535-1535
Keyword(s):  
State Estimation ◽  
Networked Systems ◽  
Optimal State ◽  
Optimal State Estimation ◽  
And Control ◽  
Measurement And Control

Owing to errors made by the authors, Yuanzhe Wang and Hongjie Hu, the article is incorrect: Wang Y, Hu H. Pseudo distributed optimal state estimation for a class of networked systems, Transactions of the Institute of Measurement and Control, 37 (10) 1232-1241, doi: 10.1177/0142331214560804

scholarly journals Advances in Sequential Measurement and Control of Open Quantum Systems

Proceedings ◽  
2019 ◽  
Vol 12 (1) ◽  
pp. 11 ◽  
Author(s):  
Stefano Gherardini ◽  
Andrea Smirne ◽  
Matthias M. Müller ◽  
Filippo Caruso
Keyword(s):  
Quantum System ◽  
Quantum Dynamics ◽  
Open Quantum Systems ◽  
Quantum Systems ◽  
Noise Sources ◽  
Open Quantum ◽  
Quantum Science ◽  
And Control ◽  
Measurement And Control ◽  
Sequential Measurements

Novel concepts, perspectives and challenges in measuring and controlling an open quantum system via sequential schemes are shown. We discuss how similar protocols, relying both on repeated quantum measurements and dynamical decoupling control pulses, can allow to: (i) Confine and protect quantum dynamics from decoherence in accordance with the Zeno physics. (ii) Analytically predict the probability that a quantum system is transferred into a target quantum state by means of stochastic sequential measurements. (iii) Optimally reconstruct the spectral density of environmental noise sources by orthogonalizing in the frequency domain the filter functions driving the designed quantum-sensor. The achievement of these tasks will enhance our capability to observe and manipulate open quantum systems, thus bringing advances to quantum science and technologies.

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