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Proceedings Paper

CW 1.06-µm pumped ytterbium-holmium co-doped all-fiber laser for 2.05 µm
Author(s): Alexander V. Kir'yanov; Yuri O. Barmenkov; Vladimir P. Minkovich
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Paper Abstract

An Ytterbium-Holmium co-doped all-fiber CW laser is reported. The fiber used in the laser setup has been fabricated through the conventional MCVD process in conjunction with the SD technique and finally drawn using a standard fiberdraw tower. The laser was built in a linear Fabry-Perot configuration in which two fiber Bragg gratings reflecting at 2.05 μm were used as the cavity couplers. Under 1.06-μm in-core pumping of the fiber, CW lasing at 2.05 μm was provided due to energy transfer Yb3+→Ho3+. The laser demonstrated low threshold (~0.8 W), moderate slope efficiency of lasing (~8.4% when measured vs. pump power launched into the active fiber), and high stability: during 6 hours its output power fluctuated within a 3% range. The laser spectrum width at a 3-dB level using an optical spectrum analyzer with a 37-pm resolution was measured to be ~70 pm.

Paper Details

Date Published: 22 August 2014
PDF: 7 pages
Proc. SPIE 9286, Second International Conference on Applications of Optics and Photonics, 92860K (22 August 2014); doi: 10.1117/12.2065563
Show Author Affiliations
Alexander V. Kir'yanov, Ctr. de Investigaciones en Óptica A.C. (Mexico)
Yuri O. Barmenkov, Ctr. de Investigaciones en Óptica A.C. (Mexico)
Vladimir P. Minkovich, Ctr. de Investigaciones en Óptica A.C. (Mexico)

Published in SPIE Proceedings Vol. 9286:
Second International Conference on Applications of Optics and Photonics
Manuel Filipe P. C. Martins Costa; Rogério Nunes Nogueira, Editor(s)

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