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Feedback policies for measurement-based quantum state manipulation

Fu, Shuangshuang; Shi, Guodong; Proutiere, Alexandre; James, Matthew R.


In this paper, we propose feedback designs for manipulating a quantum state to a target state by performing sequential measurements. In light of Belavkin’s quantum feedback control theory, for a given set of (projective or nonprojective) measurements and a given time horizon, we show that finding the measurement selection policy that maximizes the probability of successful state manipulation is an optimal control problem for a controlled Markovian process. The optimal policy is Markovian...[Show more]

CollectionsANU Research Publications
Date published: 2014-12-18
Type: Journal article
Source: Physical Review A
DOI: 10.1103/PhysRevA.90.062328


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