Two coupled complex Ginzburg-Landau equations are derived to described multimode operations of a ring unidirectional laser with a saturable absorber near the lasing threshold. We show that unlike a laser without absorber this laser can exhibit in low-intensity domain the Benjamin-Feir instability which is known to lead to very complicated behaviors including chaotic ones.
Theoretical analysis of multimode instability in a laser with a saturable absorber
Nonlinear Dynamics in Lasers and Optical Systems ; 1993 ; Moscow,Russia
Proc. SPIE ; 2099
1994-07-06
Conference paper
Electronic Resource
English
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