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Self-starting passively mode-locked chirped-pulse fiber laser

 
: Ortac, B.; Plötner, M.; Limpert, J.; Tünnermann, A.

:
Postprint (228 KByte; PDF; )

Optics Express 15 (2007), No.25, pp.16794-16799
ISSN: 1094-4087
English
Journal Article, Electronic Publication
Fraunhofer IOF ()

Abstract
We present a self-starting passively mode-locked fiber laser operating in the chirped-pulse regime for the first time. A chirped fiber Bragg grating in the cavity provides positive dispersion with negligible nonlinearity. The laser generates positively-chirped pulses with a pulse duration of 22 ps at a repetition rate of 44 MHz, which are compressible down to 1.5 ps. We believe that the presented approach reveals a pulse energy scaling potential of mode-locked fiber lasers as nonlinear effects are significantly diminished compared the other known operation regimes.

: http://publica.fraunhofer.de/documents/N-71608.html