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Updated: Jul 20, 2025

Using Microwave and Macroscopic Samples of Dielectric Solids to Study the Photonic Properties of Disordered Photonic Bandgap Materials

Using Microwave and Macroscopic Samples of Dielectric Solids to Study the Photonic Properties of Disordered Photonic Bandgap Materials

Published on: September 26, 2014

Adiabatic topological photonic interfaces.

Anton Vakulenko¹, Svetlana Kiriushechkina¹, Daria Smirnova²

¹Electrical Engineering and Physics, The City College of New York (USA), New York, NY, 10031, USA.

Nature Communications

|August 2, 2023

Summary

This summary is machine-generated.

Adiabatic topological photonic interfaces enhance light control in topological photonics. These interfaces improve guiding features and robustness against defects, enabling longer propagation distances for topological photonic devices.

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Area of Science:

Topological photonics
Metamaterials
Condensed matter physics

Background:

Topological phases of matter are crucial in quantum systems and classical metamaterials.
Topological photonics offers light control but faces challenges like symmetry protection and radiative leakage.
Existing topological photonic systems are sensitive to defects and radiative losses.

Purpose of the Study:

To introduce adiabatic topological photonic interfaces to overcome limitations in topological photonics.
To enhance the guiding features and robustness of spin-Hall and valley-Hall topological structures.
To improve the performance of topological photonic devices.

Main Methods:

Theoretical prediction and experimental confirmation of adiabatic topological photonic interfaces.
Utilizing slowly varying synthetic gauge fields in topological metasurfaces.
Analyzing domain wall profiles and their effect on topological boundary modes.

Main Results:

Adiabatic variation in domain walls leads to delocalized topological boundary modes.
Topological modes become less sensitive to lattice imperfections.
Demonstrated improved bandgap crossing, longer radiative lifetimes, and propagation distances.

Conclusions:

Adiabatic topological photonic interfaces significantly improve guiding features in topological photonic devices.
The proposed interfaces offer enhanced resilience and performance compared to conventional designs.
This work paves the way for more robust and efficient topological photonic applications.