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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 20 — Sep. 28, 2009
  • pp: 18304–18311

Stabilization and power scaling of cladding pumped Er:Yb-codoped fiber amplifier via auxiliary signal at 1064 nm

Vincent Kuhn, Peter Weßels, Jörg Neumann, and Dietmar Kracht  »View Author Affiliations


Optics Express, Vol. 17, Issue 20, pp. 18304-18311 (2009)
http://dx.doi.org/10.1364/OE.17.018304


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Abstract

To the best of our knowledge we report for the first time on an Yb-sensitized Er-doped cladding pumped fiber amplifier which is simultaneously seeded by two single-frequency lasers operating at 1556 nm and 1064 nm, respectively. This mode of operation ensures stable amplifier operation by reducing the gain around 1 µm wavelength to the large signal gain value, while having no significant effect on the slope efficiency of the amplification process at 1556 nm when pumping at 976 nm. We were able to demonstrate stable output power of 8.7 W at 1556 nm with an amplifier gain of > 22 dB, a co-propagating pumping scheme and the power limitation only being set by the available amount of pump power.

© 2009 OSA

OCIS Codes
(140.3280) Lasers and laser optics : Laser amplifiers
(140.3500) Lasers and laser optics : Lasers, erbium
(140.3510) Lasers and laser optics : Lasers, fiber
(140.3425) Lasers and laser optics : Laser stabilization

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: July 21, 2009
Manuscript Accepted: September 3, 2009
Published: September 25, 2009

Citation
Vincent Kuhn, Peter Weßels, Jörg Neumann, and Dietmar Kracht, "Stabilization and power scaling of cladding pumped Er:Yb-codoped fiber amplifier via auxiliary signal at 1064 nm," Opt. Express 17, 18304-18311 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-20-18304


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References

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