Influence of the Frequency-chirp on Pulse in Passively Mode-locking Optical Fiber Ring Laser

Bui Xuan Kien, Tran Hai Hung, Trinh Dinh Chien

Abstract


We consider a model of a passively mode-locking fiber ring laser bult using a saturable absorber and a chirped fiber Bragg grating to balance dispersion and nonlinearity. The evolution of the slowly envelope of the optical field in a loop fiber subject to dispersion , Kerr nonlinearity, frequency- chirp and nonlinear absorption is given by the generalized complex Ginzburg-Landau equation. The influence of the frequency-chirp on the pulse is simulated and discussed, and the stationary conditions concerning the chirp parameter are  found out for our laser.


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DOI: https://doi.org/10.15625/0868-3166/23/2/2785 Display counter: Abstract : 34 views. PDF : 11 views.

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