Morphological effects  on the excitation of surface waves in the grating-coupled configuration

Kiran Mujeeb; Muhammad Faryad; Akhlesh Lakhtakia; Julio V. Urbina

doi:10.1117/12.2594193

3 August 2021 Morphological effects on the excitation of surface waves in the grating-coupled configuration

Kiran Mujeeb, Muhammad Faryad, Akhlesh Lakhtakia, Julio V. Urbina

Proceedings Volume 11802, Nanoengineering: Fabrication, Properties, Optics, Thin Films, and Devices XVIII; 1180202 (2021) https://doi.org/10.1117/12.2594193
Event: SPIE Nanoscience + Engineering, 2021, San Diego, California, United States

Abstract

Grating-coupled excitation of surface plasmon-polariton waves guided by the interface of a metal and an anisotropic dielectric material evinces morphological effects arising from the divergence of structural anisotropy (grating) from constitutive anisotropy (dielectric material). Even if the metal is replaced by an isotropic dielectric ma- terial, the same effects are seen in the excitation of Dyakonov surface waves. The morphological effects vanish with constitutive anisotropy, as exemplified with a columnar thin film (CTF) as the dielectric material. Both p-polarized and s-polarized incident plane waves can excite the surface plasmon-polariton (SPP) waves as well as Dyakonov surface waves, provided that either the plane of incidence and/or the morphologically significant plane of the CTF do not coincide with the grating plane.

Conference Presentation

Citation Download Citation

Kiran Mujeeb, Muhammad Faryad, Akhlesh Lakhtakia, and Julio V. Urbina "Morphological effects on the excitation of surface waves in the grating-coupled configuration", Proc. SPIE 11802, Nanoengineering: Fabrication, Properties, Optics, Thin Films, and Devices XVIII, 1180202 (3 August 2021); https://doi.org/10.1117/12.2594193

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