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Using Microwave and Macroscopic Samples of Dielectric Solids to Study the Photonic Properties of Disordered Photonic Bandgap Materials
Published on: September 26, 2014
Realization of reflectionless potentials in photonic lattices.
Alexander Szameit1, Felix Dreisow, Matthias Heinrich
1Physics Department and Solid State Institute, Technion, 32000 Haifa, Israel. alexander.szameit@uni-jena.de
Physical Review Letters
|June 15, 2011
Summary
Researchers created a true reflectionless potential for nonresonant unity transmission and localized modes. This breakthrough uses optical waveguide arrays to realize specific Ablowitz-Ladik soliton potentials.
Area of Science:
- Photonics
- Nonlinear Optics
- Waveguide Optics
Background:
- Reflectionless potentials allow complete transmission of waves without backscattering.
- Localized modes can trap and confine energy within a system.
- Ablowitz-Ladik potentials are a specific class of exactly solvable potentials in nonlinear systems.
Purpose of the Study:
- To experimentally demonstrate a true reflectionless potential.
- To achieve nonresonant unity transmission for all incident waves.
- To support localized modes within the reflectionless potential framework.
Main Methods:
- Utilizing arrays of evanescently coupled optical waveguides.
- Modulating the transverse waveguide separations to engineer the potential.
- Implementing the Ablowitz-Ladik soliton potential model.
Main Results:
- Successful experimental realization of a true reflectionless potential.
- Demonstration of nonresonant unity transmission across all frequencies.
- Observation of stable localized modes coexisting with perfect transmission.
Conclusions:
- The experimental setup provides a physical platform for reflectionless potentials.
- This work opens avenues for novel optical devices with unique transmission and localization properties.
- The findings validate the theoretical predictions of Ablowitz-Ladik potentials in optical systems.
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