Ultra-short wavelength operation  in Thulium-doped silica fiber laser with bidirectional pumping

Xusheng Xiao; Haitao Guo; Zhijun Yan; Hushan Wang; Yantao Xu; Min Lu; Yishan Wang; Bo Peng

doi:10.1117/12.2256818

28 February 2017 Ultra-short wavelength operation in Thulium-doped silica fiber laser with bidirectional pumping

Xusheng Xiao, Haitao Guo, Zhijun Yan, Hushan Wang, Yantao Xu, Min Lu, Yishan Wang, Bo Peng

Proceedings Volume 10256, Second International Conference on Photonics and Optical Engineering; 102561F (2017) https://doi.org/10.1117/12.2256818
Event: Second International Conference on Photonics and Optical Engineering, 2016, Xi'an, China

Abstract

An ultra-short wavelength operation of Tm-doped all fiber laser based on fiber Bragg gratings (FBGs) was developed. A bi-directional pump configuration for the ultra-short wavelength operation was designed and investigated for the first time. the laser yielded 3.15W of continuous-wave output at 1706.75nm with a narrow-linewidth of ~50pm and a maximum slope efficiency of 42.1%. The dependencies of the slope efficiencies and pump threshold of the laser versus the length of active fiber and reflectivity of the output mirror (FBG) were investigated in detail. An experimental comparative study between two Thulium-doped fiber lasers (TDFLs) with two different pumping configuration(forward unidirectional pumping and bidirectional pumping) was presented. It is indisputable that the development of 1.7μm silicate fiber lasers with Watt-level output power open up a number of heart-stirring and tempting application windows.

Citation Download Citation

Xusheng Xiao, Haitao Guo, Zhijun Yan, Hushan Wang, Yantao Xu, Min Lu, Yishan Wang, and Bo Peng "Ultra-short wavelength operation in Thulium-doped silica fiber laser with bidirectional pumping", Proc. SPIE 10256, Second International Conference on Photonics and Optical Engineering, 102561F (28 February 2017); https://doi.org/10.1117/12.2256818

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