Effects of spatial non-uniformity on laser dynamics

Details Effects of spatial non-uniformity on laser dynamics Effects of spatial non-uniformity on laser dynamics

2005-01-21

arxiv.org/abs/cond-mat/0501506v2

Physics

Condensed Matter

Disordered Systems and Neural Networks

4 pages, 1 figure, LaTex. Introduction is significantly rewritten, and the results is placed in the context of random lasing

Scientific paper

10.1103/PhysRevLett.95.043902

Semiclassical equations of lasing dynamics are re-derived for a lasing medium in a cavity with a spatially non-uniform dielectric constant. It is shown that the non-uniformity causes a radiative coupling between modes of the empty cavity. This coupling results in a renormalization of self- and cross-saturation coefficients, which acquire a non-trivial dependence on the pumping intensity. Possible manifestations of these effects in random lasers are discussed.

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