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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 22, Iss. 11 — Jun. 2, 2014
  • pp: 13572–13578

210 W single-frequency, single-polarization, thulium-doped all-fiber MOPA

Jiang Liu, Hongxing Shi, Kun Liu, Yubin Hou, and Pu Wang  »View Author Affiliations

Optics Express, Vol. 22, Issue 11, pp. 13572-13578 (2014)

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A high-power single-frequency, single-polarization, thulium-doped all-fiber master-oscillator power-amplifier (MOPA) is demonstrated by using all-polarization-maintaining (all-PM) thulium-doped fiber and all-PM-fiber components. The MOPA yielded 210 W of single-frequency, linear-polarized laser output at central wavelength of 2000.9 nm with a polarization extinction ratio (PER) of >17 dB. No indication of stimulated Brillouin scattering (SBS) could be observed at the highest output power level, and the output power was only currently limited by available pump power. To the best of our knowledge, this is the first demonstration of average output power exceeding 200 W from a single-frequency, single-polarization, thulium-doped all-fiber laser at 2 µm wavelength region.

© 2014 Optical Society of America

OCIS Codes
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(140.3280) Lasers and laser optics : Laser amplifiers
(140.3510) Lasers and laser optics : Lasers, fiber
(140.3570) Lasers and laser optics : Lasers, single-mode

ToC Category:
Lasers and Laser Optics

Original Manuscript: March 17, 2014
Revised Manuscript: May 9, 2014
Manuscript Accepted: May 16, 2014
Published: May 29, 2014

Jiang Liu, Hongxing Shi, Kun Liu, Yubin Hou, and Pu Wang, "210 W single-frequency, single-polarization, thulium-doped all-fiber MOPA," Opt. Express 22, 13572-13578 (2014)

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