Towards a monolithic fiber laser with deep UV femtosecond-induced fiber Bragg gratings

in: Optics Communications (2011)
Becker, Martin; Brückner, Sven; Leich, Martin; Lindner, Eric; Rothhardt, Manfred; Unger, Sonja; Jetschke, Sylvia; Bartelt, Hartmut
Fiber Bragg grating inscription with a deep ultraviolet (DUV) femtosecond laser and two beam interferometry allows grating inscription in germanium-free fibers without classical UV photosensitivity. Therefore such a writing technology is a promising solution for the fabrication of fiber Bragg gratings in the active fiber material to realize a fully integrated all-fiber solution. In this paper we report on the use of the DUV femtosecond laser fiber Bragg grating technology to build a grating-stabilized fiber laser with high spectral purity. Output powers up to 158W at 1083nm and a slope efficiency of 76% have been demonstrated.

DOI: Array

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