Comment on: "Mode repulsion and mode coupling in random lasers" by Cao et al. Phys. Rev. B 67, 161101 (R) (2003)
L. Deych
Abstract
In recent paper Cao et al. [Phys. Rev. B 67, 161101 (R) (2003)] reported an observation of what is the first genuine multi-mode behavior in random lasers. They observed a splitting of a single lasing line into two lines with close frequencies when pumping is increased beyond a certain threshold. Here we are pointing out that the qualitative interpretation of these experiments given in that paper is misleading.
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