Spacing statistics in two-mode random lasing
arXiv:cond-mat/0703783 · doi:10.1103/PhysRevA.76.043842
Abstract
The distribution of spacings between the lasing frequencies for an ensemble of random lasers in the two-mode regime was computed. The random lasers are implemented as open chaotic cavities filled with an active medium. The spectral properties of the passive cavities are modeled with non-Hermitian random matrices. The spacing distribution is found to depend on the relation between the gain-profile width and the mean spacing of the passive-cavity modes. The distribution displays mode repulsion and, under certain conditions, agrees with the Wigner surmise. The role of mode competition is discussed.
5 pages (v2: substantial changes, published version)
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- Gas lasers with wave-chaotic resonators
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