17 February 2010 The critical role of intracavity dynamics in high-power mode-locked fiber lasers
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Abstract
We present a theoretical description of the generation of ultra-short, high-energy pulses in two laser cavities driven by periodic spectral filtering or dispersion management. Critical in driving the intra-cavity dynamics is the nontrivial phase profiles generated and their periodic modification from either spectral filtering or dispersion management. For laser cavities with a spectral filter, the theory gives a simple geometrical description of the intra-cavity dynamics and provides a simple and efficient method for optimizing the laser cavity performance. In the dispersion managed cavity, analysis shows the generated self-similar behavior to be governed by the porous media equation with a rapidly-varying, mean-zero diffusion coefficient whose solution is the well-known Barenblatt similarity solution with parabolic profile.
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Brandon G. Bale, Brandon G. Bale, J. Nathan Kutz, J. Nathan Kutz, } "The critical role of intracavity dynamics in high-power mode-locked fiber lasers", Proc. SPIE 7580, Fiber Lasers VII: Technology, Systems, and Applications, 75800W (17 February 2010); doi: 10.1117/12.840536; https://doi.org/10.1117/12.840536
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