Journal
OPTICS LETTERS
Volume 36, Issue 23, Pages 4635-4637Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.36.004635
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Funding
- Spanish Ministry of Science and Innovation (MICINN) [MAT2008-06609-C02, CSD2007-046-NanoLight.es]
- Formacion del Personal Universitario (FPU) from the Spanish Ministry of Education [AP2007-00891]
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We present a new type of waveguide scheme for terahertz circuitry based on the concept of spoof surface plasmons. This structure is composed of a one-dimensional array of L-shaped metallic elements horizontally attached to a metal surface. The dispersion relation of the surface electromagnetic modes supported by this system presents a very weak dependence with the lateral dimension and the modes are very deep-subwavelength confined with a long-enough propagation length. (C) 2011 Optical Society of America
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