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Dynamics of modelocking Erbium-doped fiber lasers by the use of Ginzburg-Landau equation

Grant number: 09/04104-0
Support type:Scholarships in Brazil - Master
Effective date (Start): August 01, 2009
Effective date (End): January 31, 2011
Field of knowledge:Engineering - Electrical Engineering
Principal Investigator:Eunezio Antonio de Souza
Grantee:Paulo Guilherme Komninos
Home Institution: Escola de Engenharia (EE). Universidade Presbiteriana Mackenzie (UPM). Instituto Presbiteriano Mackenzie. São Paulo , SP, Brazil

Abstract

Passively mode-locked erbium-doped fiber laser operating in the solitonic regime has been investigated intensely. The solitons formation in the fiber laser cavity it is a natural consequence of a mode-locked pulse under an intense pump when the laser cavity operates in anomalous dispersion regime. The solitons formation in the laser cavity limits the formation of optical pulses. Therefore, for a better performance of the laser it is essential to have a clear understanding of the responsible physical mechanisms for these effects. This project presents a proposal to investigates the solitons formation and evolution in the laser cavity through numeric simulation. The simulations will be based on the Ginzburg-Landau equation and developed in MATLAB ambient. The results obtained will be helpull for a better control of the solitons formed in the fiber lasers.