Non-gibbsian stochastic light-mode dynamics of passive mode locking

Michael Katz*, Ariel Gordon, Omri Gat, Baruch Fischer

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

26 Scopus citations


We study a stochastic light-mode system with non-Gibbsian steady state statistics, unravelling global nonequilibrium phase transition properties. It relates to the onset of passive mode-locking in the general case of lasers with arbitrary dispersion and Kerr nonlinearity that includes the nonsolitonic regime. The solution is facilitated by a special stationarity criterion imposed by the system gain balance. We show that the mode-locking phase transition is generic, and give exact expressions for the pulse power and its stability map. We find that at the boundary of the mode-locking stability the pulse power is exactly one half of the total intracavity power, and that the parameter region for the most resistant pulses against noise destabilization is not at the soliton condition.

Original languageAmerican English
Article number113902
JournalPhysical Review Letters
Issue number11
StatePublished - 2006
Externally publishedYes


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