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A Direct Coupling Coherent Quantum Observer for a Single Qubit Finite Level Quantum System

This paper considers the problem of constructing a direct coupling quantum observer for a single qubit finite level quantum system plant. The proposed observer is a single mode linear quantum system which is shown to be able to estimate one of the plant variables in a time averaged sense. A numerical example and simulations are included to illustrate the properties of the observer.

preprint2014arXivOpen access
Ian R. Petersen
Systems and Controlmath.OCquant-ph
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Ian R. Petersen

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