Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Plasmonic Coupled Modes in a Metal-Dielectric Periodic Nanostructure

Version 1 : Received: 13 July 2023 / Approved: 14 July 2023 / Online: 14 July 2023 (09:34:07 CEST)

A peer-reviewed article of this Preprint also exists.

Coello, V.; Abdulkareem, M.-U.A.; Garcia-Ortiz, C.E.; Sosa-Sánchez, C.T.; Téllez-Limón, R.; Peña-Gomar, M. Plasmonic Coupled Modes in a Metal–Dielectric Periodic Nanostructure. Micromachines 2023, 14, 1713. Coello, V.; Abdulkareem, M.-U.A.; Garcia-Ortiz, C.E.; Sosa-Sánchez, C.T.; Téllez-Limón, R.; Peña-Gomar, M. Plasmonic Coupled Modes in a Metal–Dielectric Periodic Nanostructure. Micromachines 2023, 14, 1713.

Abstract

We report on a 2D-gap surface plasmon metasurface based composed of a bottom metal layer, middle insulator layer, and top metal nanostructure of gold nanoblocks (nanoantennas). The proposed structure enables us to generate simultaneous multi plasmonic resonances and offers the possibility to tune them, within the near-infrared domain. The simplicity of the metasurface makes it promising for compact optical platforms based on reflection mode operation with potential application in multi-channel biosensors, second-harmonic generation, and multi-wavelength surface-enhanced spectroscopy among other interesting fields

Keywords

plasmonics; metasurfaces; gap surface plasmons; surface lattice resonances

Subject

Physical Sciences, Optics and Photonics

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