Coherent-classical estimation versus purely-classical estimation for linear quantum systems

Roy Shibdas, Ian Petersen, Elanor Huntington

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    Abstract

    We consider a coherent-classical estimation scheme for a class of linear quantum systems. It comprises an estimator that is a mixed quantum-classical system without involving coherent feedback. The estimator yields a classical estimate of a variable for the quantum plant. We demonstrate that for a passive plant that can be characterized by annihilation operators only, such coherent-classical estimation provides no improvement over purely-classical estimation. An example is also given which shows that if the plant is not assumed to be an annihilation operator only quantum system, it is possible to get better estimates with such coherent-classical estimation compared with purely-classical estimation.
    Original languageEnglish
    Title of host publicationCritical Observations in a Diagnostic Problem
    Place of PublicationPiscataway, New Jersey, US
    PublisherInstitute of Electrical and Electronics Engineers Inc.
    Pages5782-5787
    EditionPeer Reviewed
    ISBN (Print)9781479977451
    DOIs
    Publication statusPublished - 2014
    Event53rd IEEE Conference on Decision and Control - Los Angeles, USA, United States
    Duration: 1 Jan 2014 → …

    Conference

    Conference53rd IEEE Conference on Decision and Control
    Country/TerritoryUnited States
    Period1/01/14 → …
    OtherDecember 15-17 2014

    Fingerprint

    Dive into the research topics of 'Coherent-classical estimation versus purely-classical estimation for linear quantum systems'. Together they form a unique fingerprint.

    Cite this