Effect of amplification on conductance distribution of a disordered waveguide

Details Effect of amplification on conductance distribution of a disordered waveguide Effect of amplification on conductance distribution of a disordered waveguide

2006-05-10

arxiv.org/abs/cond-mat/0605280v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 4 figures

Scientific paper

10.1103/PhysRevE.74.056609

Introduction of optical gain to a disordered system results in enhanced fluctuations [$F_{(2)}=var(\tilde{g})/< \tilde{g} >^2$] of dimensionless conductance $\tilde{g}$, similar to the effect of Anderson localization in passive medium. Using numerical simulations we demonstrate that despite of such qualitative similarity, the whole distribution of conductance of amplifying random media is drastically different from that of passive system with the same value of $F_{(2)}$.

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