Low-loss surface modes in metamaterial waveguides

Details Low-loss surface modes in metamaterial waveguides Low-loss surface modes in metamaterial waveguides

2011-10-06

arxiv.org/abs/1110.1341v2

Physics

Optics

12 pages, 8 figures, 1 table. Submitted to Photonics and Nanostructures - Fundamentals and Applications

Scientific paper

We show that waveguides with a dielectric core and a lossy metamaterial cladding (metamaterial-dielectric guide) support surface modes with lower attenuation than metal-dielectric guides. The low-loss modes are present when magnetic losses in the metamaterial are at least a factor of five below electric losses. Through a characterization of both slab and cylindrical metamaterial-dielectric guides, we find that the cylindrical geometry is a good candidate for low-intensity all-optical switches.

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