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Updated: Feb 6, 2026
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Fabricating Metamaterials Using the Fiber Drawing Method
Published on: October 18, 2012
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Low-frequency nonlocal and hyperbolic modes in corrugated wire metamaterials
Optics Express
|August 19, 2018
Summary
Researchers created artificial metamaterials using corrugated conducting wires that exhibit extreme anisotropy and nonlocality at GHz frequencies. This breakthrough enables plasmonics and metamaterials applications in THz and RF photonics.
Area of Science:
- Metamaterials and Plasmonics
- Electromagnetism and Photonics
Background:
- Plasmonic metamaterials offer tunable anisotropy and nonlocality for advanced applications.
- Scaling plasmonic behavior to lower frequencies (THz, GHz) is challenging due to metal properties and spatial dispersion.
- Current limitations hinder applications in wireless communications and microwave technologies.
Purpose of the Study:
- To demonstrate extreme anisotropy (hyperbolicity) and nonlocality in artificial composites at GHz frequencies.
- To overcome the limitations of scaling visible-frequency plasmonics to lower electromagnetic spectrum domains.
- To enable novel applications in THz and RF photonics by emulating plasmonic behavior.
Main Methods:
- Designing artificial composites using arrays of corrugated perfectly conducting wires.
- Utilizing the hybridization of spoof plasmon polariton modes.
- Emulating surface polariton waves in systems with corrugated interfaces.
Main Results:
- Achieved extreme anisotropy (hyperbolicity) and nonlocality in artificial composites at GHz frequencies.
- Demonstrated the feasibility of designing these properties using corrugated conducting wires.
- Successfully emulated surface polariton waves via spoof plasmon polaritons.
Conclusions:
- Corrugated perfectly conducting wires offer a viable platform for achieving plasmonic properties at GHz frequencies.
- This approach bridges the gap between visible-frequency plasmonics and THz/RF photonics.
- Enables the translation of plasmonics and metamaterials advancements to lower frequency applications.
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