Analysis of the nonlinear propagation of incoherent pulses

Author:

Dorrer C.ORCID

Abstract

The nonlinear propagation of incoherent optical pulses is studied using a normalized nonlinear Schrödinger equation and statistical analysis, demonstrating various regimes that depend on the field’s coherence time and intensity. The quantification of the resulting intensity statistics using probability density functions shows that, in the absence of spatial effects, nonlinear propagation leads to an increase in the likelihood of high intensities in a medium with negative dispersion, and a decrease in a medium with positive dispersion. In the latter regime, nonlinear spatial self-focusing originating from a spatial perturbation can be mitigated, depending on the coherence time and amplitude of the perturbation. These results are benchmarked against the Bespalov–Talanov analysis applied to strictly monochromatic pulses.

Funder

National Nuclear Security Administration

Office of Science

University of Rochester

New York State Energy Research and Development Authority

Publisher

Optica Publishing Group

Subject

Atomic and Molecular Physics, and Optics

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