Azimuthal instability of spinning spatiotemporal solitons

D. Mihalache, D. Mazilu, L. C. Crasovan, B. A. Malomed, F. Lederer

Research output: Contribution to journalArticlepeer-review


We find one-parameter families of three-dimensional spatiotemporal bright vortex solitons (doughnuts, or spinning light bullets), in dispersive quadratically nonlinear media. We show that they are subject to a strong instability against azimuthal perturbations, similarly to the previously studied (2+1)-dimensional bright spatial vortex solitons. The instability breaks the spinning soliton into several fragments, each being a stable nonspinning light bullet.

Original languageEnglish
Pages (from-to)R1505-R1508
JournalPhysical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics
Issue number2
StatePublished - 2000


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