Effects of localization and amplification on distribution of intensity transmitted through random media

Details Effects of localization and amplification on distribution of intensity transmitted through random media Effects of localization and amplification on distribution of intensity transmitted through random media

2004-05-20

arxiv.org/abs/cond-mat/0405498v1

Phys. Rev. E 70, 037603 (2004)

Physics

Condensed Matter

Disordered Systems and Neural Networks

4 pages, 4 figures, 1 table

Scientific paper

10.1103/PhysRevE.70.037603

We numerically study the statistical distribution of intensity transmitted through quasi-one dimensional random media by varying the dimensionless conductance $g$ and the amount of absorption or gain. Markedly non-Rayleigh distribution is found to be well fitted by the analytical formula of Nieuwenhuizen {\it et al}, Phys. Rev. Lett. {\bf 74}, 2674 (1995) with a single parameter $g^\prime$. We show that in the passive random system $g^\prime$ is uniquely related to $g$, while in amplifying/absorbing random media $g^\prime$ also depends on gain/absorption coefficient.

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