Quantitative characterization of turbulence in an optical experiment

Abstract
Experimental data from a turbulent optical system are analyzed quantitatively. The system consists of a nonlinear fiber ring resonator synchronously driven by a train of picosecond light pulses. Spatiotemporal dynamics reshapes the pulses and generates intricate substructure; its complexity can be chosen through choice of parameters. We extend standard procedures of time series analysis and show how a measure of the degree of complexity can be retrieved from the data. © 1996 The American Physical Society.

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