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


We consider experimentally and theoretically a refined parameter space in a laser system near the transition to multi-pulse mode-locking. 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
Pages (from-to)23137-23146
Number of pages10
JournalOptics Express
Issue number25
Early online date2 Dec 2009
Publication statusPublished - 7 Dec 2009

Bibliographical note

©2009 Optical Society of America


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