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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 34, Iss. 21 — Nov. 1, 2009
  • pp: 3331–3333

High-power nanosecond ytterbium-doped fiber laser passively synchronized with a femtosecond Ti:sapphire laser

Ming Yan, Wenxue Li, Qiang Hao, Yao Li, Kangwen Yang, Hui Zhou, and Heping Zeng  »View Author Affiliations


Optics Letters, Vol. 34, Issue 21, pp. 3331-3333 (2009)
http://dx.doi.org/10.1364/OL.34.003331


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Abstract

We report on laser synchronization between a high-power nanosecond fiber laser and an ultrashort Ti:sapphire laser by cross-absorption modulation and power amplification. The nanosecond pulses were generated by a long-cavity ytterbium-doped fiber laser that was passively synchronized to a 70 fs Ti:sapphire laser with a remarkable cavity mismatch tolerance of about 8 cm as a result of resonance-enhanced cross-absorption modulation in additional rare-earth-doped fiber. By using a two-stage Yb-doped fiber preamplifier and a two-stage double-clad fiber power amplifier in cascade, the synchronized nanosecond pulses were amplified to 131 W of average power, corresponding to 0.55 mJ of single-pulse energy at a repetition rate of 240 KHz , with a timing jitter of 13 ps .

© 2009 Optical Society of America

OCIS Codes
(140.4050) Lasers and laser optics : Mode-locked lasers
(190.4370) Nonlinear optics : Nonlinear optics, fibers
(320.5550) Ultrafast optics : Pulses

ToC Category:
Nonlinear Optics

History
Original Manuscript: August 6, 2009
Revised Manuscript: September 28, 2009
Manuscript Accepted: September 28, 2009
Published: October 27, 2009

Citation
Ming Yan, Wenxue Li, Qiang Hao, Yao Li, Kangwen Yang, Hui Zhou, and Heping Zeng, "High-power nanosecond ytterbium-doped fiber laser passively synchronized with a femtosecond Ti:sapphire laser," Opt. Lett. 34, 3331-3333 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-21-3331


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