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Departure from Quasi-Equilibrium in Semiconductors and Multimode Laser Emission

  • V. S. Mashkevich
  • V. A. Parnyuk

Abstract

The method of rate equations is used to examine the influence, on the spectral composition of laser radiation, of a departure from steady-state quasi-equilibrium in the active medium, i.e., a departure from statistical equilibrium between elementary excitations in the electron subsystem (excited states of impurity centers, free carriers, and excitons). It is shown that the cause of multimode emission in the case of p-n junction lasers with typical parameters is a spatial inhomogeneity of the mode field and not a spectral inhomogeneity associated with nonuniform broadening of the luminescence line.

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Copyright information

© Springer Science+Business Media New York 1971

Authors and Affiliations

  • V. S. Mashkevich
    • 1
  • V. A. Parnyuk
    • 1
  1. 1.Physics InstituteAcademy of Sciences of the Ukrainian SSRKievRussian

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