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Electromagnetic field quantization in amplifying dielectrics

Matloob, R and Loudon, R and Artoni, M and Barnett, S M and Jeffers, J (1997) Electromagnetic field quantization in amplifying dielectrics. Physical Review A, 55 (3). pp. 1623-1633. ISSN 1050-2947

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Abstract

The electromagnetic field is quantized for normal transmission of incident waves through a parallel-sided dielectric slab. The dielectric material is dispersive and it acts as a linear amplifier over limited ranges of the frequency and as a linear attenuator at the remaining frequencies. The field operators derived for the three spatial regions within and on either side of the slab are shown to satisfy the canonical commutation relations. The noise fluxes emitted by the slab are evaluated and shown to satisfy the general requirements for the minimum noise associated with linear amplifiers and attenuators. The behavior of the amplifier gain profile on the approach to the lasing threshold of the slab is determined, but the results are restricted to the below-threshold state of the system. The spectra of the electric-field fluctuations are evaluated for the three spatial regions and for amplifying and attenuating frequencies.

Item type: Article
ID code: 31013
Keywords: sum-rules, quantum physics, amplifiers, optics, Electromagnetic field quantization , Optics. Light, Atomic and Molecular Physics, and Optics
Subjects: Science > Physics > Optics. Light
Department: Faculty of Science > Physics
Related URLs:
    Depositing user: Pure Administrator
    Date Deposited: 20 Jun 2011 16:34
    Last modified: 05 Sep 2014 08:48
    URI: http://strathprints.strath.ac.uk/id/eprint/31013

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