Transition dynamics for multi-pulsing in mode-locked lasers

Brandon G. Bale, Khanh Kieu, J. Nathan Kutz, Frank Wise

Research output: Contribution to journalArticlepeer-review

75 Scopus citations


We consider experimentally and theoretically a refined parameter space in a laser system near the transition to multi-pulse modelocking. Near the transition, the onset of instability is initiated by a Hopf (periodic) bifurcation. As the cavity energy is increased, the band of unstable, oscillatory modes generates a chaotic behavior between single- and multi-pulse operation. Both theory and experiment are in good qualitative agreement and they suggest that the phenomenon is of a universal nature in mode-locked lasers at the onset of multi-pulsing from N to N +1 pulses per round trip. This is the first theoretical and experimental characterization of the transition behavior, made possible by a highly refined tuning of the gain pump level.

Original languageEnglish (US)
Pages (from-to)23137-23146
Number of pages10
JournalOptics Express
Issue number25
StatePublished - Dec 7 2009

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics


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