Spontaneous-emission spectrum in an absorbing Fabry-Perot cavity

M. S. Tomaš and Z. Lenac
Phys. Rev. A 60, 2431 – Published 1 September 1999
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Abstract

We discuss the frequency dependence of the spontaneous-emission rate (power) in a Fabry-Perot microcavity containing a Lorentz dielectric, with emphasis on modifications of the spectrum under the circumstances of the strong medium-cavity coupling. With the standard-cavity tuning, the total spontaneous-emission power spectrum consists of a multiwave version of the familiar low-frequency vacuum Rabi split peak and a broad structure on the high-frequency side coming from the enhanced spontaneous emission into the continuum of the obliquely propagating waves. This form of the spectrum derives from the properties of the (single-wave) radiation-intensity spectrum of the molecule. Depending on the observation direction, the radiation-intensity spectrum exhibits either a double-peak structure characteristic of the vacuum Rabi splitting, as observed in light transmisssion and reflection experiments, or a single-peak structure describing the enhanced spontaneous emission at the corresponding cavity resonant frequency.

  • Received 24 November 1998

DOI:https://doi.org/10.1103/PhysRevA.60.2431

©1999 American Physical Society

Authors & Affiliations

M. S. Tomaš1 and Z. Lenac2

  • 1Rudjer Bošković Institute, P.O.B. 1016, 10001 Zagreb, Croatia
  • 2Faculty of Philosophy, University of Rijeka, 51000 Rijeka, Croatia

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Vol. 60, Iss. 3 — September 1999

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