Soft turbulence in multimode laser

Casini, D., D'Alessandro, G. and Politi, A. (1997) Soft turbulence in multimode laser. Physical Review A, 55, (1), 751-760. (doi:10.1103/PhysRevA.55.751).


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Using a weakly nonlinear analysis, we study the behavior of a homogeneously broadened laser in the vicinity of the second threshold. We show that the dynamics is described by a complex Ginzburg-Landau equation coupled to a Fokker-Plank equation. Although the cubic term of the Ginzburg-Landau equation is destabilizing for all parameter values, bounded solutions exist because of the strong nonlinear dispersion ('dispersive chaos'). A careful numerical study of the original Maxwell-Bloch equations is also carried out to investigate the role played by off-resonant solutions.

Item Type: Article
Digital Object Identifier (DOI): doi:10.1103/PhysRevA.55.751
Related URLs:
Subjects: Q Science > QA Mathematics
Q Science > QC Physics
Divisions : University Structure - Pre August 2011 > School of Mathematics > Applied Mathematics
ePrint ID: 29296
Accepted Date and Publication Date:
Date Deposited: 12 Mar 2007
Last Modified: 31 Mar 2016 11:54

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