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Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

Fabrication And Characterization Of Photonic Crystal Slow Light Waveguides And Cavities

Published on: November 30, 2012

Reflectionless potentials and cavities in waveguide arrays and coupled-resonator structures.

Andrey A Sukhorukov¹

¹Nonlinear Physics Centre and Centre for Ultra-high Bandwidth Devices for Optical Systems (CUDOS), Research School of Physics and Engineering, Australian National University, Canberra, ACT 0200, Australia. ans124@gmail.com

|April 6, 2010

Summary

We developed reflectionless potentials for optical waveguide arrays. This method allows full transmission of incident waves while supporting localized modes, enabling novel pulse and beam shaping applications.

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Area of Science:

Photonics
Nonlinear optics
Waveguide theory

Background:

Coupled-resonator optical waveguides and waveguide arrays are fundamental to integrated photonics.
Achieving controlled wave propagation and mode localization is crucial for optical device design.

Purpose of the Study:

To present a method for creating reflectionless potentials in linear optical waveguide structures.
To explore the application of nonlinear soliton solutions for designing these potentials.

Main Methods:

Utilizing soliton solutions from nonlinear Ablowitz-Ladik equations.
Defining analytical reflectionless modulations for linear photonic structures.
Analyzing wave transmission and localized mode support in modulated waveguide arrays.

Main Results:

Demonstrated the analytical design of reflectionless potentials using nonlinear soliton theory.
Showcased that these engineered structures fully transmit incident waves.
Confirmed the simultaneous support of a pair of localized modes within the structures.

Conclusions:

The proposed approach enables the creation of optical structures with unique transmission and localization properties.
This research opens new avenues for advanced pulse and beam shaping.
It suggests the possibility of realizing optical cavities that exhibit non-reflective behavior for incident light.