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Proceedings Paper

Effects of spatial nonuniformity of cavity dielectric constant on lasing dynamics
Author(s): Lev Deych
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Paper Abstract

Recent observation of two-mode lasing in random lasers is discussed in the context of the problem of distinguishing between lasing with coherent and non-coherent feedback. A general semiclassical theory of lasing in cavities with a spatially non-uniform dielectric constant is developed. It is shown that the non-uniformity causes a radiative coupling between modes of the empty cavity, which results in a renormalization of the coefficients responsible for non-linear interaction between lasing modes. One of the consequences of this renormalization is the enhancement of the effects of spatial hole burning and promotion of the multi-mode lasing.

Paper Details

Date Published: 15 September 2005
PDF: 15 pages
Proc. SPIE 5924, Complex Mediums VI: Light and Complexity, 59240B (15 September 2005); doi: 10.1117/12.618531
Show Author Affiliations
Lev Deych, Queens College of CUNY (United States)

Published in SPIE Proceedings Vol. 5924:
Complex Mediums VI: Light and Complexity
Martin W. McCall; Graeme Dewar; Mikhail A. Noginov, Editor(s)

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