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17 February 2010 Characterizing the transition dynamics for multi-pulsing in mode-locked lasers
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We consider experimentally and theoretically a refined parameter space near the transition to multi-pulse modelocking. Near the transition, the onset of instability is initiated by a Hopf (periodic) bifurcation. As 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.
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Brandon G. Bale, Khanh Kieu, Frank Wise, and J. Nathan Kutz "Characterizing the transition dynamics for multi-pulsing in mode-locked lasers", Proc. SPIE 7580, Fiber Lasers VII: Technology, Systems, and Applications, 75801Z (17 February 2010);


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