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Light localization in nonlinear photonic crystal waveguides

Published on:

9 November 2023

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Paper Authors:

Stefania Malaguti


Key Details

Light localization occurs in disordered photonic crystal waveguides, limiting control of slow light

A new 'barycenter' metric tracks soliton localization by wavepacket center of mass

In linear regime, this metric matches standard localization length from transmission

For nonlinear gap solitons, transition to ballistic transport exceeds linear localization law

Nonlinear waves have improved robustness to disorder versus linear waves

AI generated summary

Light localization in nonlinear photonic crystal waveguides

This paper demonstrates that nonlinear light waves called gap solitons in disordered photonic crystal waveguides transition from localized to ballistic transport faster than the scaling law that governs localization in the linear regime. A new metric tracking the wavepacket center of mass statistically proves the enhanced robustness to disorder of nonlinear waves.

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