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Characterization of Anisotropic Leaky Mode Modulators for Holovideo

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Published on: March 19, 2016

Nonlinear localized modes at phase-slip defects in waveguide arrays.

Mario I Molina¹, Yuri S Kivshar

¹Departmento de Física, Facultad de Ciencias, Universidad de Chile, Santiago, Casilla 653, Chile. mmolina@uchile.cl

|May 3, 2008

Summary

We found that light can be localized at a specific defect in optical waveguide arrays. These localized light patterns exhibit properties of both surface modes and discrete solitons.

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Area of Science:

Nonlinear optics
Condensed matter physics
Photonics

Background:

Coupled optical waveguide arrays support various light propagation phenomena.
Defects in periodic structures can lead to localized states.
Nonlinear effects can significantly alter light localization.

Purpose of the Study:

To investigate light localization at a phase-slip defect in mismatched waveguide arrays.
To characterize the properties of the resulting nonlinear defect modes.
To analyze the stability and generation mechanisms of these localized modes.

Main Methods:

Theoretical analysis of coupled optical waveguide arrays.
Modeling of a phase-slip defect between semi-infinite arrays.
Investigation of linear and nonlinear regimes of light propagation.

Main Results:

Demonstrated light localization at the phase-slip defect.
Showcased that nonlinear defect modes combine properties of nonlinear surface modes and discrete solitons.
Analyzed the stability of these localized nonlinear modes.

Conclusions:

Phase-slip defects in mismatched waveguide arrays can effectively localize light.
The observed nonlinear defect modes represent a unique hybrid state.
Understanding these modes is crucial for designing advanced photonic devices.