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Soft turbulence in multimode laser

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

Record type: Article


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.

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Published date: 1997


Local EPrints ID: 29296
ISSN: 1050-2947
PURE UUID: eb6f7a03-9030-460b-89dd-d185e30bc5ff
ORCID for G. D'Alessandro: ORCID iD

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Date deposited: 12 Mar 2007
Last modified: 17 Jul 2017 15:58

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Author: D. Casini
Author: G. D'Alessandro ORCID iD
Author: A. Politi

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