Title

All-Fiber Single-Mode Pm Thulium Fiber Lasers Using Femtosecond Laser Written Fiber Bragg Gratings

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. © 2011 SPIE.

Publication Date

5-16-2011

Publication Title

Proceedings of SPIE - The International Society for Optical Engineering

Volume

7914

Number of Pages

-

Document Type

Article; Proceedings Paper

Personal Identifier

scopus

DOI Link

https://doi.org/10.1117/12.877795

Socpus ID

79955829879 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/79955829879

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