THz plasmonic modes in metal-clad planar multilayer waveguides

Behnood G. Ghamsari; A. Hamed Majedi

doi:10.1117/12.820122

30 April 2009 THz plasmonic modes in metal-clad planar multilayer waveguides

Proceedings Volume 7311, Terahertz Physics, Devices, and Systems III: Advanced Applications in Industry and Defense; 73110B (2009) https://doi.org/10.1117/12.820122
Event: SPIE Defense, Security, and Sensing, 2009, Orlando, Florida, United States

Abstract

This paper studies the role of plasmonic modes for guided-wave propagation of THz/far infrared in metalclad planar waveguides, including metal-dielectric interfaces, dielectric-loaded metal slabs and parallel plate waveguides. The dispersion of modal characteristics of the plasmonic guided waves, such as the effective index, attenuation constant and the field confinement, as a function of geometrical features for different consisting materials and wavelengths are examined. Moreover, comparison is made between the THz plasmonic modes to their optical counterparts at visible/near infrared within the similar physical structures. Peculiar features of each structure are highlighted and regimes of interest are distinguished.

Citation Download Citation

Behnood G. Ghamsari and A. Hamed Majedi "THz plasmonic modes in metal-clad planar multilayer waveguides", Proc. SPIE 7311, Terahertz Physics, Devices, and Systems III: Advanced Applications in Industry and Defense, 73110B (30 April 2009); https://doi.org/10.1117/12.820122

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