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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 19 — Sep. 12, 2011
  • pp: 18645–18654

Power scaling analysis of tandem-pumped Yb-doped fiber lasers and amplifiers

Jiajian Zhu, Pu Zhou, Yanxing Ma, Xiaojun Xu, and Zejin Liu  »View Author Affiliations

Optics Express, Vol. 19, Issue 19, pp. 18645-18654 (2011)

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Taking the improved SRS threshold formula into consideration, the power scaling of tandem-pumped Yb-doped silica fiber lasers and amplifiers is analyzed by new models. The results show that the power scaling of tandem-pumped Yb-doped fiber lasers and amplifiers is primarily limited by optical damage, SRS and thermal lens, while the pump brightness induced limitation is almost removed. It is also found that tandem-pumped Yb-doped fiber lasers and amplifiers, based upon state-of-art fiber technology, have the potential to achieve a power limit of 70.7 kW with a core diameter of 63.4 μm, and in the case of a strict single-mode fiber, the power limit is about 13.3 kW with a core numerical aperture of 0.03.

© 2011 OSA

OCIS Codes
(060.4370) Fiber optics and optical communications : Nonlinear optics, fibers
(140.5560) Lasers and laser optics : Pumping
(140.3615) Lasers and laser optics : Lasers, ytterbium
(060.3510) Fiber optics and optical communications : Lasers, fiber

ToC Category:
Lasers and Laser Optics

Original Manuscript: July 6, 2011
Revised Manuscript: August 17, 2011
Manuscript Accepted: August 22, 2011
Published: September 9, 2011

Jiajian Zhu, Pu Zhou, Yanxing Ma, Xiaojun Xu, and Zejin Liu, "Power scaling analysis of tandem-pumped Yb-doped fiber lasers and amplifiers," Opt. Express 19, 18645-18654 (2011)

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