Squeezing components in linear quantum feedback networks

J. E. Gough, M. R. James, H. I. Nurdin

    Research output: Contribution to journalArticlepeer-review

    141 Citations (Scopus)


    The aim of this article is to extend linear quantum dynamical network theory to include static Bogoliubov components (such as squeezers). Within this integrated quantum network theory, we provide general methods for cascade or series connections, as well as feedback interconnections using linear fractional transformations. In addition, we define input-output maps and transfer functions for representing components and describing convergence. We also discuss the underlying group structure in this theory arising from series interconnection. Several examples illustrate the theory.

    Original languageEnglish
    Article number023804
    JournalPhysical Review A - Atomic, Molecular, and Optical Physics
    Issue number2
    Publication statusPublished - 3 Feb 2010


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