This review provides a broad overview of the studies and effects of nonlocal response in
metallic nanostructures. In particular, we thoroughly present the nonlocal hydrodynamic …

Metallic structures with nanogap features have proven highly effective as building blocks for
plasmonic systems, as they can provide a wide tuning range of operating frequencies and …

Metals support surface plasmons at optical wavelengths and have the ability to localize light
to subwavelength regions. The field enhancements that occur in these regions set the …

The field of two-dimensional (2D) materials-based nanophotonics has been growing at a
rapid pace, triggered by the ability to design nanophotonic systems with in situ control …

Metallic nanostructures exhibit a multitude of optical resonances associated with localized
surface plasmon excitations. Recent observations of plasmonic phenomena at the sub …

Plasmonic nanostructures enable light to be concentrated into nanoscale 'hotspots', wherein
the intensity of light can be enhanced by orders of magnitude. This plasmonic enhancement …

The standard hydrodynamic Drude model with hard-wall boundary conditions can give
accurate quantitative predictions for the optical response of noble-metal nanoparticles …

Plasmonic phenomena in metals are commonly explored within the framework of classical
electrodynamics and semiclassical models for the interactions of light with free-electron …

Recently, a large number of experimental and theoretical works have revealed a variety of
plasmonic nanostructures with the capabilities of Fano resonance (FR) generation. Among …

Surface plasmons on metals can concentrate light into subnanometric volumes and on these
near atomic length scales the electronic response at the metal interface is smeared out over …