Surface plasmons propagation along metallic rough diffraction gratings

Bruhier, Hugo; Verrier, Isabelle; Gueye, Thiaka; Varenne, Christelle; Ndiaye, Amadou; Parriaux, Ο.; Veillas, Colette; Reynaud, Stéphanie; Brunet, Jérôme; Jourlin, Yves

doi:10.1117/12.2620944

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2023

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“…Traditionally, SPP excitation has been achieved through prism coupling 3,4 or grating coupling techniques. 5,6 However, our proposed approach offers distinct advantages. By directly coupling interfered evanescent fields with SPP, we eliminate the need for external components such as prisms or gratings.…”

Section: Introductionmentioning

confidence: 99%

Structured surface plasmon generated with interfered evanescent waves

Cubillos Morales,

Martinez Niconoff,

Cazares Aguilar

2023

Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XXI

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This work introduces an interesting configuration for exciting structured surface plasmon-polaritons (SSPP) by analyzing wave propagation on a composite dielectric-metal surface. In particular, we focus on the coupling of interfered evanescent waves with structured SPP. This innovative approach unlocks new avenues for enhancing plasmon optics models, encompassing diffraction, interference, and focalization. By exploring the potential of this configuration, we improved the understanding and application of structured SPP in various optical phenomena.

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