Monolithic, narrow linewidth, polarization maintaining, thulium fiber laser using femtosecond laser written fiber Bragg gratings

被引:0
|
作者
Willis, Christina C. C. [1 ]
Bradford, Joshua D. [1 ]
Sims, R. Andrew [1 ]
Shah, Lawrence [1 ]
Richardson, Martin [1 ]
Thomas, Jens [2 ]
Becker, Ria G. [2 ]
Voigtlaender, Christian [2 ]
Tuennermann, Andreas [2 ,3 ]
Nolte, Stefan [2 ,3 ]
机构
[1] Univ Cent Florida, CREOL Coll Opt & Photon, Townes Laser Inst, 4000 Cent Florida Blvd, Orlando, FL 32816 USA
[2] Univ Jena, Inst Phys Appl, D-07745 Jena, Germany
[3] Fraunhofer Inst Appl Opt & Precis Engn, D-07745 Jena, Germany
来源
LASER TECHNOLOGY FOR DEFENSE AND SECURITY VII | 2011年 / 8039卷
关键词
Thulium; Polarization Maintaining; Fiber Bragg Grating; Silica Fiber;
D O I
10.1117/12.885989
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
We have demonstrated an all-fiber thulium laser system that, without any intracavity polarizing elements or free-space components, yielded a stable polarization extinction ratio (PER) of similar to 18 dB. The system is based on single-mode polarization-maintaining silica fiber and its cavity is formed from each a high and low reflectivity femtosecond laser written fiber Bragg grating resonant at 2054 nm. The output of the fiber is not only highly polarized, but maintains a narrow linewidth of 78 pm at its maximum output power of 5.24 W. The high PER without any polarizing elements in the cavity is of great interest and makes the systems useful for spectral beam combining and other applications which require polarization dependent optical elements.
引用
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页数:6
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