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Proceedings Paper

Advantage of circularly polarized light in nonlinear fiber-amplifiers
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Paper 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.

Paper Details

Date Published: 17 February 2010
PDF: 8 pages
Proc. SPIE 7580, Fiber Lasers VII: Technology, Systems, and Applications, 75802E (17 February 2010); doi: 10.1117/12.841864
Show Author Affiliations
Damian N. Schimpf, Friedrich Schiller Univ. Jena (Germany)
Enrico Seise, Friedrich Schiller Univ. Jena (Germany)
Tino Eidam, Friedrich Schiller Univ. Jena (Germany)
Steffen Hädrich, Friedrich Schiller Univ. Jena (Germany)
Jens Limpert, Friedrich Schiller Univ. Jena (Germany)
Andreas Tünnermann, Friedrich Schiller Univ. Jena (Germany)
Fraunhofer Institute for Applied Optics and Precision Engineering (Germany)

Published in SPIE Proceedings Vol. 7580:
Fiber Lasers VII: Technology, Systems, and Applications
Kanishka Tankala, Editor(s)

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