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Related Experiment Video

Updated: May 10, 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

Deep-subwavelength engineering of stealthy hyperuniformity.

Jusung Park^1,2, Seungkyun Park^1,2, Kyuho Kim²

¹Photonic Systems Laboratory, Department of Electrical and Computer Engineering, Seoul National University, Seoul 08826, Korea.

Nanophotonics (Berlin, Germany)

|April 28, 2025

Summary

This summary is machine-generated.

Researchers engineered disordered multilayers at deep-subwavelength scales, achieving angle-selective wave localization by controlling microstructural order. This work bridges disordered photonics and metamaterials, enabling new functionalities.

Keywords:

disordered photonics hyperuniformity inverse design localization metamaterials stealthy

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Last Updated: May 10, 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

Demonstration of Equal-Intensity Beam Generation by Dielectric Metasurfaces

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Published on: June 7, 2019

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Published on: September 8, 2017

Area of Science:

Photonics
Materials Science
Condensed Matter Physics

Background:

Disordered materials' light behavior is studied at scales comparable to light wavelength.
Effective medium theory (EMT) suggests order and disorder are similar at subwavelength scales.
Interface phenomena like the Goos-Hänchen effect can cause EMT breakdown at deep-subwavelength scales.

Purpose of the Study:

To engineer disordered multilayers at deep-subwavelength scales.
To achieve angle-selective manipulation of wave localization.
To explore disorder-dependent EMT breakdown and microstructural phase transitions.

Main Methods:

Developing disordered multilayers at deep-subwavelength scales.
Classifying microstructural phases using stealthy hyperuniformity (SHU).
Devising material phase transitions from SHU to uncorrelated disorder.

Main Results:

Demonstrated angle-selective manipulation of wave localization in disordered multilayers.
Classified intermediate microstructural regimes between crystals and uncorrelated disorder.
Tailored short-range and long-range order in SHU multilayers for distinct angular responses.

Conclusions:

Paved the way for deep-subwavelength disordered metamaterials.
Bridged the fields of disordered photonics and metamaterials.
Enabled precise control over wave localization through microstructural engineering.