AI Article Synopsis
- The study demonstrates the numerical transition from gain-guided solitons (GGS) to noise-like pulses (NLP) in fiber lasers, highlighting how increased pump power affects spectrum broadening.
- The findings suggest that changes in cavity phase delay can also trigger this transition, regardless of pump power levels.
- Key factors influencing this evolution include peak power clamping and normal dispersion, with meta-stable states occurring at low levels of normal dispersion.
Article Abstract
Transition from a gain-guided soliton (GGS) to a fully developed noise-like pulse (NLP) is numerically demonstrated in fiber lasers operated in the normal dispersion regime, which explains well the experimental observation of spectrum evolution that the bottom of the averaged spectrum gradually broadens with pump power increasing. Numerical results suggest that the transition could also happen under the condition of cavity linear phase delay bias change with fixed pump power. It is demonstrated that the peak power clamping effect and the normal dispersion are the key factors leading to the spectrum evolution. In addition, intermittent meta-stable states between GGS and NLP can be obtained when the cavity dispersion is chosen at small normal dispersion.
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| http://dx.doi.org/10.1364/OE.469895 | DOI Listing |
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