Effects of spatial nonuniformity of cavity dielectric constant on lasing dynamics

Lev Deych

doi:10.1117/12.618531

15 September 2005 Effects of spatial nonuniformity of cavity dielectric constant on lasing dynamics

Lev Deych

Proceedings Volume 5924, Complex Mediums VI: Light and Complexity; 59240B (2005) https://doi.org/10.1117/12.618531
Event: Optics and Photonics 2005, 2005, San Diego, California, United States

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.

Citation Download Citation

Lev Deych "Effects of spatial nonuniformity of cavity dielectric constant on lasing dynamics", Proc. SPIE 5924, Complex Mediums VI: Light and Complexity, 59240B (15 September 2005); https://doi.org/10.1117/12.618531

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