Predicting the filamentation of high-power beams and pulses without numerical integration: A nonlinear geometrical optics method

Nir Gavish*, Gadi Fibich, Luat T. Vuong, Alexander L. Gaeta

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

We present an analytic method for predicting the initial self-focusing dynamics of high-power beams and pulses. Using this method we study the filamentation pattern of a variety of input profiles, without solving partial differential equations. In particular, this method shows that in the anomalous regime, high-power pulses with temporal super-Gaussian profiles will split in time into two shorter pulses, and spherically symmetric pulses with super-Gaussian spatiotemporal profiles will evolve into a spatiotemporal shell.

Original languageEnglish
Article number043807
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume78
Issue number4
DOIs
StatePublished - 7 Oct 2008

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