Doubly-corrugated spoof-insulator-spoof waveguides

Mikhail A. Kats; David Woolf; Romain Blanchard; Nanfang Yu; Federico Capasso

doi:10.1117/12.907487

6 March 2012 Doubly-corrugated spoof-insulator-spoof waveguides

Mikhail A. Kats, David Woolf, Romain Blanchard, Nanfang Yu, Federico Capasso

Proceedings Volume 8261, Terahertz Technology and Applications V; 82610G (2012) https://doi.org/10.1117/12.907487
Event: SPIE OPTO, 2012, San Francisco, California, United States

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.

Citation Download Citation

Mikhail A. Kats, David Woolf, Romain Blanchard, Nanfang Yu, and Federico Capasso "Doubly-corrugated spoof-insulator-spoof waveguides", Proc. SPIE 8261, Terahertz Technology and Applications V, 82610G (6 March 2012); https://doi.org/10.1117/12.907487

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