Realization of Dirac Point with Double Cones in Optics

Details Realization of Dirac Point with Double Cones in Optics Realization of Dirac Point with Double Cones in Optics

2008-10-31

arxiv.org/abs/0810.5735v2

Physics

Optics

10 pages, 6 figures

Scientific paper

The Dirac point with a double-cone structure for optical fields, an optical analogy Dirac fermions in graphene, can be realized in optically homogenous metamaterials. The condition for the realization of Dirac point in optical systems is the varying of refractive index from negative to zero and then to positive. Our analytical and numerical analysis have verified that, similar to electrons in graphene, the light field near the Dirac point possesses of the pseudodiffusive property, obeying the 1/L scaling law, where L is the propagating distance of light inside the media.

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