Guiding optical flows by photonic crystal slabs made of dielectric cylinders

Details Guiding optical flows by photonic crystal slabs made of dielectric cylinders Guiding optical flows by photonic crystal slabs made of dielectric cylinders

2003-12-21

arxiv.org/abs/physics/0312126v1

Phys. Rev. E 69, 066612 (2004)

Physics

Optics

5 pages, 5 figures

Scientific paper

10.1103/PhysRevE.69.066612

We investigate the electromagnetic propagation in two-dimensional photonic crystals, formed by parallel dielectric cylinders embedded a uniform medium. The frequency band structure is computed using the standard plane-wave expansion method, while the propagation and scattering of the electromagnetic waves are calculated by the multiple scattering theory. It is shown that within partial bandgaps, the waves tend to bend away from the forbidden directions. Such a property may render novel applications in manipulating optical flows. In addition, the relevance with the imaging by flat photonic crystal slabs will also be discussed.

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