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Related Experiment Video

Updated: Jul 3, 2026

Optical Trap Loading of Dielectric Microparticles In Air

Optical Trap Loading of Dielectric Microparticles In Air

Published on: February 5, 2017

Trapping dynamics in nonlinear wave scattering by local guiding defects.

Yoav Linzon¹, Yaron Shavit, Shimshon Bar-Ad

¹Université du Quebec, Institute National de la Recherche Scientifique, Varennes, Quebec, Canada. linzonyo@post.tau.ac.il

|July 9, 2008

Summary

Nonlinear waves scatter and trap within photonic centers in waveguides. Power localization and oscillation depend on input power, incidence angle, and site coupling, offering control over wave dynamics.

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Last Updated: Jul 3, 2026

Optical Trap Loading of Dielectric Microparticles In Air

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Optical Trapping of Nanoparticles

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Published on: January 15, 2013

Area of Science:

Nonlinear optics
Wave physics
Photonic systems

Background:

Nonlinear waves exhibit complex scattering behaviors when interacting with defects in optical waveguides.
Understanding wave dynamics requires both wave and ray optics approaches for different insights.
Photonic centers with normal eigenmodes embedded in nonlinear Kerr waveguides are key structures for studying wave localization.

Purpose of the Study:

To numerically investigate the trapping dynamics of nonlinear waves scattered by local guiding photonic centers.
To explore how input power, angle of incidence, and site coupling influence wave localization and oscillation.
To analyze scattering and trapping in nonlinear Fabry-Perot etalons as a function of defect properties.

Main Methods:

Numerical simulations of nonlinear wave scattering.
Application of wave optics for detailed dynamics analysis.
Utilization of ray optics for quasi-analytical estimations of trapping extent.

Main Results:

Single-site scattering centers show power localization or oscillation between normal modes, controllable by input power and incidence angle.
Multi-site scattering centers exhibit dynamics dependent on inter-site coupling.
At high nonlinear powers, strong localization in a single site is achievable, alongside periodic power tunneling at intermediate powers.

Conclusions:

The study elucidates control mechanisms for nonlinear wave trapping in photonic structures.
Findings offer insights into manipulating wave localization through defect engineering and input parameters.
The research provides a foundation for designing advanced photonic devices with tailored nonlinear responses.