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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 34, Iss. 10 — May. 15, 2009
  • pp: 1585–1587

Approaching microjoule-level pulse energy with mode-locked femtosecond fiber lasers

Bülend Ortaç, Martin Baumgartl, Jens Limpert, and Andreas Tünnermann  »View Author Affiliations

Optics Letters, Vol. 34, Issue 10, pp. 1585-1587 (2009)

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We report on the generation of high-energy ultrashort pulses from a mode-locked Yb-doped large-mode-area fiber laser operating in the all-normal dispersion regime. The self-starting fiber laser emits 9 W of average output power at a pulse repetition rate of 9.7 MHz , corresponding to a pulse energy of 927 nJ . The laser produces positively chirped 8 ps output pulses, which are then compressed down to 711 fs . These compressed pulses exhibit megawatt-level peak powers. To our knowledge, this is the first time that a mode-locked fiber oscillator has generated femtosecond pulses with pulse energies approaching the microjoule level in combination with high average output power. Numerical simulations show excellent agreement with experimental results and reveal further scaling potential, which is discussed.

© 2009 Optical Society of America

OCIS Codes
(060.5530) Fiber optics and optical communications : Pulse propagation and temporal solitons
(140.3510) Lasers and laser optics : Lasers, fiber
(140.4050) Lasers and laser optics : Mode-locked lasers

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: January 6, 2009
Revised Manuscript: March 4, 2009
Manuscript Accepted: April 10, 2009
Published: May 14, 2009

Bülend Ortaç, Martin Baumgartl, Jens Limpert, and Andreas Tünnermann, "Approaching microjoule-level pulse energy with mode-locked femtosecond fiber lasers," Opt. Lett. 34, 1585-1587 (2009)

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