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Sub-80 fs dissipative soliton large-mode-area fiber laser

 
: Baumgartl, M.; Ortac, B.; Lecaplain, C.; Hideur, A.; Limpert, J.; Tünnermann, A.

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Optics Letters 35 (2010), No.13, pp.2311-2313
ISSN: 0146-9592
English
Journal Article
Fraunhofer IOF ()

Abstract
We report on high-energy ultrashort pulse generation from an all-normal-dispersion large-mode-area fiber laser by exploiting an efficient combination of nonlinear polarization evolution (NPE) and a semiconductor-based saturable absorber mode-locking mechanism. The watt-level laser directly emits chirped pulses with a duration of 1ps and 163nJ of pulse energy. These can be compressed to 77fs, generating megawatt-level peak power. Intracavity dynamics are discussed by numerical simulation, and the intracavity pulse evolution reveals that NPE plays a key role in pulse shaping.

: http://publica.fraunhofer.de/documents/N-138545.html