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Simulation, Fabrication and Characterization of THz Metamaterial Absorbers
Published on: December 27, 2012
Stopping light by an air waveguide with anisotropic metamaterial cladding
Tian Jiang1, Junming Zhao, Yijun Feng
1Department of Electronic Science and Engineering, Key Laboratory of Modern Acoustics, Ministry of Education, Nanjing University, Nanjing, China.
Optics Express
|January 9, 2009
Summary
We demonstrate how specific dielectric configurations in air core waveguides with metamaterial cladding can slow or stop electromagnetic waves. A proposed waveguide structure can bring light to a complete standstill.
Area of Science:
- Photonics and Waveguide Technology
- Metamaterial Science
- Electromagnetism
Background:
- Waveguides are crucial for light manipulation.
- Anisotropic metamaterials offer unique electromagnetic properties.
- Controlling electromagnetic wave propagation is a key research area.
Purpose of the Study:
- To investigate oscillating modes in air core slab waveguides with anisotropic metamaterial cladding.
- To explore the possibility of supporting slow and stopped electromagnetic waves.
- To propose a novel waveguide structure for complete light standstill.
Main Methods:
- Theoretical analysis of waveguide modes.
- Design of a linearly tapped waveguide structure.
- Full-wave simulation using the finite-difference time-domain (FDTD) method.
Main Results:
- Specific dielectric configurations enable slow and stopped electromagnetic wave propagation.
- The proposed linearly tapped waveguide structure achieves a complete standstill of light.
- Simulation results validate the theoretical predictions.
Conclusions:
- Air core waveguides with anisotropic metamaterial cladding can support exotic wave phenomena.
- The proposed structure offers a novel method for light localization and control.
- This research has implications for optical delay lines and light storage devices.
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