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Updated: Jun 19, 2026

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities
Published on: November 30, 2012
Disorder-induced multiple scattering in photonic-crystal waveguides
S Mazoyer1, J P Hugonin, P Lalanne
1Laboratoire Charles Fabry de l'Institut d'Optique, CNRS, Univ Paris-Sud, Campus Polytechnique, 91127 Palaiseau cedex, France.
Structural imperfections in photonic-crystal waveguides significantly impact slow-light transport. Our findings reveal that decreasing group velocity broadens attenuation probability, crucial for designing effective slow-light devices.
Area of Science:
- Photonics
- Waveguide Optics
- Condensed Matter Physics
Background:
- Slow-light propagation in photonic crystals is essential for optical signal processing.
- Previous theoretical models often overlook multiple scattering and localization effects due to structural imperfections.
Purpose of the Study:
- To investigate slow-light transport in imperfect photonic-crystal waveguides.
- To develop a formalism accounting for multiple scattering and localization.
- To quantitatively predict statistical transport coefficients and their distributions.
Main Methods:
- Utilizing a theoretical formalism that incorporates multiple scattering and localization effects.
- Analyzing statistical transport coefficients, including averaged values and probability distributions.
- Examining the impact of decreasing group velocity on light transport.
Main Results:
- The developed formalism provides quantitative predictions for transport coefficients.
- Evidence of significant broadening in the attenuation probability distribution as group velocity decreases.
- Demonstration of localization effects influencing slow-light propagation.
Conclusions:
- Structural imperfections critically affect slow-light transport in photonic crystals.
- The broadening of attenuation probability with reduced group velocity is a key design consideration.
- This work offers a more comprehensive approach to understanding light transport in realistic photonic devices.
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