Emission of dispersive waves from a train of dark solitons in optical fibers

TL;DR

This paper experimentally demonstrates that a train of dark solitons in optical fibers emits multiple dispersive waves, with the emission characteristics linked to individual solitons and forming a continuum for many solitons.

Contribution

It provides the first experimental observation of dispersive wave emission from dark solitons in optical fibers, elucidating phase-matching and collective effects.

Findings

Multiple dispersive waves emitted from dark solitons

Each wave linked to a specific dark soliton via phase-matching

Continuum formation with more than 10 dark solitons

Abstract

We report the experimental observation of multiple dispersive waves emitted in the anomalous dispersion region of an optical fiber from a train of dark solitons. Each individual dispersive wave can be associated to one particular dark soliton of the train, using phase-matching arguments involving higher-order dispersion and soliton velocity. For a large number of dark solitons (>10), we observe the formation of a continuum associated with the efficient emission of dispersive waves.