Author： Horikis Theodoros P Ablowitz Mark J
Publisher： IOP Publishing
E-ISSN： 2040-8986|17|4|42001-42005
ISSN： 2040-8986
Source： Journal of Optics, Vol.17, Iss.4, 2015-04, pp. : 42001-42005
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Abstract
The locking mechanism to dark solitons in passive mode-locked (ML) lasers is studied under the presence of perturbative effects. These include higher order dispersion, self-steepening, and Raman gain. Using a recently developed perturbation theory it is found that linear and nonlinear effects may be combined in such a way as to cancel their respect contributions resulting in stable pulses. Parameter values are found where mode-locking occurs and stable pulses, both black and grey, exist. This work explains why there can be wider observable regimes with ML dark soliton pulses.
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