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Photonic-crystal-based cloaking device at optical wavelengths
Olivier Vanbésien1, Nathalie Fabre, Xavier Mélique
1Institut d'Electronique, de Microélectronique et de Nanotechnologie, UMR CNRS 8520, Université des Sciences et Technologies de Lille, Villeneuve d'Ascq Cedex, France. Olivier.Vanbesien@iemn.univ-lille1.fr
Applied Optics
|April 3, 2008
Summary
We developed a photonic crystal cloaking device using two lattices for optical wavelengths. This device reconstructs light waves, preventing penetration into the core, and may be key for future 3D optical circuits.
Area of Science:
- Photonics
- Optical Engineering
- Materials Science
Background:
- Photonic crystals offer unique light manipulation properties.
- Controlling light propagation is crucial for integrated optical circuits.
Purpose of the Study:
- To present a novel photonic crystal cloaking device operating at optical wavelengths.
- To demonstrate a method for preventing light penetration into a device core.
Main Methods:
- Utilizing two lattices operating in distinct regimes: stop band and negative refraction.
- Leveraging photonic crystal dispersion properties to reconstruct incident light waves in phase.
Main Results:
- Successful reconstruction of an incident Gaussian modulated plane wave.
- Demonstration of a cloaking effect where light does not penetrate the device core.
Conclusions:
- The proposed photonic crystal cloaking device is effective at optical wavelengths.
- This device could serve as a foundational component for future 3D integrated optical circuits.
