Advantage of circularly polarized light in nonlinear fiber-amplifiers

Damian N. Schimpf; Enrico Seise; Tino Eidam; Steffen Hädrich; Jens Limpert; Andreas Tünnermann

doi:10.1117/12.841864

17 February 2010 Advantage of circularly polarized light in nonlinear fiber-amplifiers

Damian N. Schimpf, Enrico Seise, Tino Eidam, Steffen Hädrich, Jens Limpert, Andreas Tünnermann

Proceedings Volume 7580, Fiber Lasers VII: Technology, Systems, and Applications; 75802E (2010) https://doi.org/10.1117/12.841864
Event: SPIE LASE, 2010, San Francisco, California, United States

Abstract

We experimentally demonstrate that circular polarization state is beneficial if the Kerr-nonlinearity has to be lowered during the amplification of laser pulses. It can be shown that in a fiber-based chirped pulse amplification (CPA) system, the use of circularly and linearly polarized light result in different B-integrals, which are measured using phase-only pulse-shaping. The theoretical value of 2/3 for the ratio of the B-integrals of circularly and linearly polarized light is experimentally confirmed. Circularly polarized light facilitates peak-power scaling, moreover, the self-focussing threshold can be enhanced.

Citation Download Citation

Damian N. Schimpf, Enrico Seise, Tino Eidam, Steffen Hädrich, Jens Limpert, and Andreas Tünnermann "Advantage of circularly polarized light in nonlinear fiber-amplifiers", Proc. SPIE 7580, Fiber Lasers VII: Technology, Systems, and Applications, 75802E (17 February 2010); https://doi.org/10.1117/12.841864

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