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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 37, Iss. 21 — Nov. 1, 2012
  • pp: 4407–4409

Sub 25 fs pulses from solid-core nonlinear compression stage at 250 W of average power

Christoph Jocher, Tino Eidam, Steffen Hädrich, Jens Limpert, and Andreas Tünnermann  »View Author Affiliations

Optics Letters, Vol. 37, Issue 21, pp. 4407-4409 (2012)

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We report on a highpower femtosecond fiber chirped-pulse amplification system with an excellent beam quality ( M 2 = 1.2 ) operating at 250 MHz repetition rate. We demonstrate nonlinear compression in a solid-core photonic crystal fiber at unprecedented average power levels. By exploiting self-phase modulation with subsequent chirped-mirror compression we achieve pulse shortening by more than one order of magnitude to 23 fs pulses. The use of circular polarization allows higher than usual peak powers in the broadening fiber resulting in compressed 0.9 μJ pulse energy and a peak power of 34 MW at 250 W of average power ( M 2 = 1.3 ). This system is well suited for driving cavity-enhanced high-repetition rate high-harmonic generation.

© 2012 Optical Society of America

OCIS Codes
(140.3280) Lasers and laser optics : Laser amplifiers
(140.3510) Lasers and laser optics : Lasers, fiber
(140.4050) Lasers and laser optics : Mode-locked lasers
(140.7090) Lasers and laser optics : Ultrafast lasers
(190.4370) Nonlinear optics : Nonlinear optics, fibers
(140.3615) Lasers and laser optics : Lasers, ytterbium

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: August 6, 2012
Revised Manuscript: September 12, 2012
Manuscript Accepted: September 17, 2012
Published: October 19, 2012

Christoph Jocher, Tino Eidam, Steffen Hädrich, Jens Limpert, and Andreas Tünnermann, "Sub 25 fs pulses from solid-core nonlinear compression stage at 250 W of average power," Opt. Lett. 37, 4407-4409 (2012)

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