The critical role of intracavity dynamics in high-power mode-locked fiber lasers

Brandon G. Bale; J. Nathan Kutz

doi:10.1117/12.840536

17 February 2010 The critical role of intracavity dynamics in high-power mode-locked fiber lasers

Brandon G. Bale, J. Nathan Kutz

Author Affiliations +

Proceedings Volume 7580, Fiber Lasers VII: Technology, Systems, and Applications; 75800W (2010) https://doi.org/10.1117/12.840536
Event: SPIE LASE, 2010, San Francisco, California, United States

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 and 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); https://doi.org/10.1117/12.840536

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