Transformation Optics with Photonic Band Gap Media

Details Transformation Optics with Photonic Band Gap Media Transformation Optics with Photonic Band Gap Media

2010-07-19

arxiv.org/abs/1007.3227v2

Phys. Rev. Lett. 105, 163901 (2010)

Physics

Optics

4 pages, 4 figures

Scientific paper

10.1103/PhysRevLett.105.163901

We introduce a class of optical media based on adiabatically modulated, dielectric-only, and potentially extremely low-loss, photonic crystals. The media we describe represent a generalization of the eikonal limit of transformation optics (TO). The foundation of the concept is the possibility to fit frequency isosurfaces in the k-space of photonic crystals with elliptic surfaces, allowing them to mimic the dispersion relation of light in anisotropic effective media. Photonic crystal cloaks and other TO devices operating at visible wavelengths can be constructed from optically transparent substances like glasses, whose attenuation coefficient can be as small as 10 dB/km, suggesting the TO design methodology can be applied to the development of optical devices not limited by the losses inherent to metal-based, passive metamaterials.

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