Light refraction, i.e., the bending of the path of a light wave at the interface between two different dielectric media, is ubiquitous in optics. Refraction arises from the different speeds of light and is unavoidable in continuous media, according to Snellâs Law. Here we show rather counterintui-tively that omnidirectional refractionless propagation can be observed for discretized light crossing a tilted interface separating two homogeneous waveguide lattices.
Refractionless propagation of discretized light
Longhi, S.
2017-01-01
Abstract
Light refraction, i.e., the bending of the path of a light wave at the interface between two different dielectric media, is ubiquitous in optics. Refraction arises from the different speeds of light and is unavoidable in continuous media, according to Snellâs Law. Here we show rather counterintui-tively that omnidirectional refractionless propagation can be observed for discretized light crossing a tilted interface separating two homogeneous waveguide lattices.File in questo prodotto:
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