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Related Experiment Video

Updated: Oct 7, 2025

Using Microwave and Macroscopic Samples of Dielectric Solids to Study the Photonic Properties of Disordered Photonic Bandgap Materials
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Emerging Long-Range Order from a Freeform Disordered Metasurface.

Mingfeng Xu1,2, Qiong He1, Mingbo Pu1,3

  • 1State Key Laboratory of Optical Technologies on Nano-Fabrication and Micro-Engineering, Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu, 610209, China.

Advanced Materials (Deerfield Beach, Fla.)
|January 8, 2022
PubMed
Summary

Researchers developed a method to create ordered phase patterns in disordered metasurfaces using disorder engineering and topology optimization. This breakthrough enables precise control over light manipulation for advanced optical applications.

Keywords:
disordered metasurfacesdisordered photonicslong-range ordertopology optimization

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Area of Science:

  • Photonics and Metamaterials
  • Optical Engineering
  • Condensed Matter Physics

Background:

  • Disordered metasurfaces offer potential for advanced optical functions like imaging and wavefront shaping.
  • Achieving long-range ordered phase distribution in these disordered systems is a significant challenge.

Purpose of the Study:

  • To propose a general framework for generating spatially homogeneous in-plane phase distribution in disordered metasurfaces.
  • To demonstrate a method combining disorder parameter engineering and topology optimization for enhanced phase control.

Main Methods:

  • Designed an all-dielectric disordered supercell metasurface using disorder parameter engineering.
  • Employed topology optimization to mitigate lattice coupling effects and improve electric field homogeneity.
  • Validated the approach through theoretical analysis and experimental realizations.

Main Results:

  • Achieved a relatively homogeneous in-plane phase fluctuation in the designed metasurface.
  • Topology optimization significantly improved phase homogeneity and efficiency compared to the initial design.
  • Demonstrated a long-range ordered electric field distribution in the optimized freeform metasurface.

Conclusions:

  • The proposed framework successfully generates ordered phase distributions in disordered metasurfaces.
  • The methodology enhances control over light manipulation, paving the way for novel optical phenomena.
  • This work holds promise for applications in disordered optics and advanced metasurface design.