Quantum feedback control of linear stochastic systems with feedback-loop time delays

Shi Wang, Matthew R. James

    Research output: Contribution to journalArticlepeer-review

    19 Citations (Scopus)

    Abstract

    In a quantum feedback control loop, one is often confronted with time delays that mainly originated from the transition delay of signals, which may cause the quantum feedback control system unstable. The purpose of this paper is to deal with a problem of quantum measurement-based feedback control subject to feedback-loop time delays. A quantum version of delay-independent stability criterion as well as an upper bound on a cost function is derived based on quantum Ito¯ rules. We propose one numerical procedure for quantum feedback controller designs, which is then illustrated by an example.

    Original languageEnglish
    Pages (from-to)277-282
    Number of pages6
    JournalAutomatica
    Volume52
    DOIs
    Publication statusPublished - 1 Feb 2015

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