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Proceedings Paper

Doubly-corrugated spoof-insulator-spoof waveguides
Author(s): Mikhail A. Kats; David Woolf; Romain Blanchard; Nanfang Yu; Federico Capasso
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Paper Abstract

We explore guided modes in metallic "spoof-insulator-spoof" (SIS) waveguides: parallel plate structures with subwavelength corrugation on the surfaces of both conductors. A dispersion relation for SIS waveguides is analytically obtained. The modes in the structure arise from the coupling of conventional parallel plate waveguide modes with the localized modes of the grooves. SIS waveguides can be engineered to guide modes with low group velocities and SIS tapers can be used to convert light between photonic modes and plasmonic ones.

Paper Details

Date Published: 6 March 2012
PDF: 8 pages
Proc. SPIE 8261, Terahertz Technology and Applications V, 82610G (6 March 2012); doi: 10.1117/12.907487
Show Author Affiliations
Mikhail A. Kats, Harvard Univ. (United States)
David Woolf, Harvard Univ. (United States)
Romain Blanchard, Harvard Univ. (United States)
Nanfang Yu, Harvard Univ. (United States)
Federico Capasso, Harvard Univ. (United States)

Published in SPIE Proceedings Vol. 8261:
Terahertz Technology and Applications V
Laurence P. Sadwick; Créidhe M. O'Sullivan, Editor(s)

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