Effects of time delay in feedback control of linear quantum systems

K. Nishio, K. Kashima, J. Imura

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)

Abstract

We investigate feedback control of linear quantum systems subject to feedback-loop time delays. In particular, we examine the relation between the potentially achievable control performance and the time delays and provide theoretical guidelines for the future experimental setup in two physical systems, which are typical in this research field. The evaluation criterion for the analysis is given by the optimal control performance formula, the derivation of which is from the classical control theoretic results about the input-output delay systems.

Original languageEnglish
Article number062105
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume79
Issue number6
DOIs
Publication statusPublished - 2009 Jun 9
Externally publishedYes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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