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Phase locking and periodic evolution of solitons in passively mode-locked fiber lasers with a semiconductor saturable absorber

N. N. Akhmediev, J. M. Soto-Crespo, S. T. Cundiff, B. C. Collings, W. H. Knox
1998 Optics Letters  
Passively mode-locked lasers with intracavity weakly birefringent fiber are theoretically analyzed based on two coupled complex one-dimensional Ginzburg -Landau equations. The model includes fiber birefringence, spectral filtering, saturable gain, and saturable loss. Phase-locked soliton solutions are found for small amounts of birefringence and several types of soliton with periodic polarization evolution for higher amounts of birefringence. Numerical simulations show qualitative agreement
more » ... ative agreement with experimental results.
doi:10.1364/ol.23.000852 pmid:18087363 fatcat:rw7mrgtuyravtlmf3fzartt7qa