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Proceedings Paper

All-fiber single-mode PM thulium fiber lasers using femtosecond laser written fiber Bragg gratings
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Paper Abstract

A polarization-maintaining (PM), narrow-linewidth, continuous wave, thulium fiber laser is demonstrated. The laser cavity is formed from two femtosecond-laser-written fiber Bragg gratings (FBGs) and operates at 2054 nm. The laser output possesses both narrow spectral width (78 pm) and a high polarization extinction ratio of ~18 dB at 5.24 W of output power. This laser is a unique demonstration of a PM thulium fiber system based on a two FBG cavity that produces high PER without any free-space elements. Such a narrow linewidth source will be useful for applications such as spectral beam combining which often employ polarization dependent combining elements.

Paper Details

Date Published: 10 February 2011
PDF: 5 pages
Proc. SPIE 7914, Fiber Lasers VIII: Technology, Systems, and Applications, 79140I (10 February 2011); doi: 10.1117/12.877795
Show Author Affiliations
Christina C. C. Willis, CREOL, College of Optics and Photonics, Univ. of Central Florida (United States)
Joshua D. Bradford, CREOL, College of Optics and Photonics, Univ. of Central Florida (United States)
R. Andrew Sims, CREOL, College of Optics and Photonics, Univ. of Central Florida (United States)
Lawrence Shah, CREOL, College of Optics and Photonics, Univ. of Central Florida (United States)
Martin Richardson, CREOL, College of Optics and Photonics, Univ. of Central Florida (United States)
Jens Thomas, Friedrich Schiller Univ. Jena (Germany)
Ria G. Becker, Friedrich Schiller Univ. Jena (Germany)
Christian Voigtländer, Friedrich Schiller Univ. Jena (Germany)
Andreas Tünnermann, Friedrich Schiller Univ. Jena (Germany)
Fraunhofer Institute for Applied Optics and Precision Engineering (Germany)
Stefan Nolte, Friedrich Schiller Univ. Jena (Germany)
Fraunhofer Institute for Applied Optics and Precision Engineering (Germany)


Published in SPIE Proceedings Vol. 7914:
Fiber Lasers VIII: Technology, Systems, and Applications
Jay W. Dawson, Editor(s)

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