Phys. Rev. A 75, 033820 (2007) [5 pages]Spectral anomalies and stability of chirped-pulse oscillatorsReceived 21 November 2006; published 30 March 2007 Comprehensive numerical analysis of chirped-solitary-pulse stability in the positive-dispersion regime is presented. It is found that such a regime allowing generation of femtosecond pulses with energy above the microjoule level directly from a mode-locked oscillator is unstable against long-period pulsations. Pulsations are caused by the internal modes of solitary pulse and result in both symmetrical and asymmetrical perturbations of the pulse spectrum. This reduces a region of pulse stability and its coherence. © 2007 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.75.033820
DOI:
10.1103/PhysRevA.75.033820
PACS:
42.65.Re, 42.65.Tg, 42.65.Sf
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