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The Strathprints institutional repository is a digital archive of University of Strathclyde's Open Access research outputs. Strathprints provides access to thousands of Open Access research papers by University of Strathclyde researchers, including by researchers from the Department of Computer & Information Sciences involved in mathematically structured programming, similarity and metric search, computer security, software systems, combinatronics and digital health.

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Canonical quantum theory of light propagation in amplifying media

Jeffers, J and Barnett, S M and Loudon, R and Matloob, R and Artoni, M (1996) Canonical quantum theory of light propagation in amplifying media. Optics Communications, 131 (1-3). pp. 66-71. ISSN 0030-4018

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Abstract

We introduce a quantum theory for the propagation of light through a dielectric slab which acts as a linear amplifier. We show that the theory is canonical, and that self-consistency imposes a natural constraint on the round-trip gain provided by the medium.