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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 4 — Feb. 16, 2009
  • pp: 2264–2279

Properties and stability limits of an optimized mode-locked Yb-doped femtosecond fiber laser

Mohamed A. Abdelalim, Yury Logvin, Diaa A. Khalil, and Hanan Anis  »View Author Affiliations


Optics Express, Vol. 17, Issue 4, pp. 2264-2279 (2009)
http://dx.doi.org/10.1364/OE.17.002264


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Abstract

Stable mode-locked operation in a simple normal-cavity-dispersion laser oscillator that consists of only Yb-doped fiber and saturable absorber is studied. The Yb-doped fiber design parameters: group velocity dispersion (GVD), nonlinearity coefficient, bandwidth (Yb-BW), length and gain are considered to be the controlling parameters of the laser cavity. The pulse characteristics such as the temporal width, spectrum and pulse energy as a function of these elements are reported here. A pulse spectrum transition from M-like to П-like and then to parabolic-like shape is observed with different values of the controlling parameters which are similar to that has been observed before in a solid-state laser. The stability limits in the domain of the Yb-BW and length are studied. The stability dependence on GVD, nonlinearity coefficient and gain of the Yb-doped fiber are elucidated. Moreover, the pulse instability dynamics beyond stability limits are found to be similar to that reported before for similariton.

© 2009 Optical Society of America

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

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: January 9, 2009
Revised Manuscript: January 27, 2009
Manuscript Accepted: January 28, 2009
Published: February 4, 2009

Citation
Mohamed A. Abdelalim, Yury Logvin, Diaa A. Khalil, and Hanan Anis, "Properties and stability limits of an optimized mode-locked Yb-doped femtosecond fiber laser," Opt. Express 17, 2264-2279 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-4-2264


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References

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