Static modal energy transfer in high power, polarization maintaining fiber laser systems

Cesar Jauregui; Sobhy Kholaif; Yiming Tu; Jens Limpert

doi:10.1117/12.2608224

4 March 2022 Static modal energy transfer in high power, polarization maintaining fiber laser systems

Cesar Jauregui, Sobhy Kholaif, Yiming Tu, Jens Limpert

Proceedings Volume 11981, Fiber Lasers XIX: Technology and Systems; 1198110 (2022) https://doi.org/10.1117/12.2608224
Event: SPIE LASE, 2022, San Francisco, California, United States

Abstract

In this work, we predict the existence of static modal energy transfer in polarization-maintaining (PM) fibers. This phenomenon, related to the effect of transverse mode instability (TMI), appears because of the coexistence of two modal interference patterns and two thermally induced index gratings (one of each per polarization axis in the fiber) with slightly different periods. This static energy transfer can be exploited to create an early warning system for TMI in PM fibers. Moreover, this technique can become an invaluable tool to gain further insights into the physics of TMI.

Conference Presentation

Citation Download Citation

Cesar Jauregui, Sobhy Kholaif, Yiming Tu, and Jens Limpert "Static modal energy transfer in high power, polarization maintaining fiber laser systems", Proc. SPIE 11981, Fiber Lasers XIX: Technology and Systems, 1198110 (4 March 2022); https://doi.org/10.1117/12.2608224

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