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Article Abstract
Fiber-based ultrafast laser sources are rapidly expanding in both scientific and industrial domains, making them highly desirable for a variety of applications. The recently demonstrated gain-managed nonlinear (GMN) regime is particularly appealing because it enables the generation of high-energy, clean sub-50-fs pulses in a straightforward setup. However, the complex interaction between nonlinear pulse evolution and the longitudinally evolving gain shaping presents a scientific challenge in understanding how the parameters of GMN laser systems influence the characteristics of the output pulses. In this work, we introduce a computationally efficient approach using the generalized Method of Moments to analyze the dynamically evolving pulse characteristics. This method considers pulse asymmetry in GMN systems and assesses position- and frequency-dependent gain by solving population inversion rate equations. We apply our approach to demonstrate an effective multidimensional parameter optimization of a GMN amplifier.
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| http://dx.doi.org/10.1364/OE.549410 | DOI Listing |
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