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Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

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Published on: November 30, 2012

Supermodes in multiple coupled photonic crystal waveguides.

L C Botten, R A Hansen, C Martijn de Sterke

|June 9, 2009

Summary

This summary is machine-generated.

We analyzed supermodes in coupled photonic crystal waveguides. An odd number of periods between waveguides reverses supermode order, matching analytical and numerical results.

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Area of Science:

Photonics
Condensed Matter Physics
Waveguide Optics

Background:

Coupled waveguides are fundamental in integrated photonics.
Photonic crystal waveguides offer unique light-manipulation properties.
Understanding supermodes is crucial for device design.

Purpose of the Study:

To analyze supermodes in multiple coupled photonic crystal waveguides.
To investigate the influence of waveguide separation and photonic crystal structure on supermode behavior.
To generalize findings for two coupled waveguides to multiple systems.

Main Methods:

Analytical calculations in the tight-binding limit.
Fully numerical simulations for validation.
Analysis of field-flipping behavior and period counts.

Main Results:

Analytic results align with numerical calculations.
Supermode order reversal observed under specific conditions.
Generalization of supermode behavior in multi-waveguide systems.

Conclusions:

The study provides a generalized understanding of supermodes in coupled photonic crystal waveguides.
Specific structural conditions lead to predictable supermode order reversal.
Findings are relevant for designing advanced photonic devices.