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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 21 — Oct. 12, 2009
  • pp: 18774–18781

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

Damian N. Schimpf, Tino Eidam, Enrico Seise, Steffen Hädrich, Jens Limpert, and Andreas Tünnermann  »View Author Affiliations

Optics Express, Vol. 17, Issue 21, pp. 18774-18781 (2009)

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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.

© 2009 Optical Society of America

OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(140.3280) Lasers and laser optics : Laser amplifiers
(190.3270) Nonlinear optics : Kerr effect
(320.7090) Ultrafast optics : Ultrafast lasers

ToC Category:
Ultrafast Optics

Original Manuscript: July 14, 2009
Revised Manuscript: August 7, 2009
Manuscript Accepted: August 21, 2009
Published: October 2, 2009

Damian N. Schimpf, Tino Eidam, Enrico Seise, Steffen Hädrich, Jens Limpert, and Andreas Tünnermann, "Circular versus linear polarization in laser-amplifiers with Kerr-nonlinearity," Opt. Express 17, 18774-18781 (2009)

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