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Proceedings Paper

Environmentally-stable wave-breaking-free mode-locked Yb-doped all-fiber laser
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Paper Abstract

We report on experimental generation of wave-breaking-free pulses from an environmentally stable Yb-doped all-fiber laser. The compact linear cavity is constructed with saturable absorber mirror directly glued to the fibers end-facet as nonlinear mode-locking mechanism and chirped fiber Bragg grating (CFBG) for dispersion management, thus, without any free-space optics. Further, the laser was intrinsically environmentally stable, as only polarization maintaining (PM) fibers were used. In the wave-breaking-free regime, the fiber laser directly generates positively-chirped picosecond pulses at a repetition rate of 20.30 MHz. These pulses can be compressed to 218 fs in a HC-PBG providing a femtosecond all-fiber laser system. Adapting the intra cavity dispersion we have also generated chirped pulses with a parabolic spectral profile in the stretched pulse regime. We confirm numerically the wave-breaking-free pulse and stretched pulse evolution and discuss advantages and disadvantages of both regimes in terms of pulse quality.

Paper Details

Date Published: 25 February 2008
PDF: 7 pages
Proc. SPIE 6873, Fiber Lasers V: Technology, Systems, and Applications, 68731M (25 February 2008);
Show Author Affiliations
B. Ortaç, Friedrich-Schiller-Univ. Jena (Germany)
M. Plötner, Friedrich-Schiller-Univ. Jena (Germany)
T. Schreiber, Friedrich-Schiller-Univ. Jena (Germany)
Fraunhofer Institute for Applied Optics and Precision Engineering (Germany)
J. Limpert, Friedrich-Schiller-Univ. Jena (Germany)
A. Tünnermann, Friedrich-Schiller-Univ. Jena (Germany)
Fraunhofer Institute for Applied Optics and Precision Engineering (Germany)

Published in SPIE Proceedings Vol. 6873:
Fiber Lasers V: Technology, Systems, and Applications
Jes Broeng; Clifford Headley, Editor(s)

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