Circular versus linear polarization in laser-amplifiers with Kerr-nonlinearity | Zendy

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

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Circular versus linear polarization in laser-amplifiers with Kerr-nonlinearity

Author(s) -

Damian N. Schimpf,

Tino Eidam,

Enrico Seise,

Steffen Hädrich,

Jens Limpert,

Andreas Tünnermann

Publication year - 2009

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.17.018774

Subject(s) - optics , circular polarization , kerr effect , physics , linear polarization , polarization (electrochemistry) , laser , amplifier , cross phase modulation , self phase modulation , nonlinear optics , nonlinear system , optoelectronics , phase modulation , phase noise , quantum mechanics , chemistry , cmos , microstrip

In this contribution it is reported that circularly polarized light is advantageous if the Kerr-effect has to be minimized during laser-amplification. The experimental demonstration is based on a fiber CPA-system. The different polarization states 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 verified. In laser-amplifiers circularly polarized light reduces the detrimental impact of the Kerr-nonlinearity, and thus, increases the peak-power and the self-focussing threshold.

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