Nanoantennas for visible and infrared radiation can strongly enhance the interaction of light
with nanoscale matter by their ability to efficiently link propagating and spatially localized …

Plasmonic nano-antennas constitute a central research topic in current science and
engineering with an enormous variety of potential applications. Here we review the recent …

The goal of antenna design at optical frequencies is to deliver optical electromagnetic
energy to loads in the form of, eg, atoms, molecules or nanostructures, or to enhance the …

We designed AlGaAs-on-aluminium-oxide all-dielectric nanoantennas with magnetic dipole
resonance at near-infrared wavelengths. These devices, shaped as cylinders of 400nm …

The optical response of a plasmonic gap-antenna is mainly determined by the Coulomb
interaction of the two constituent arms of the antenna. Using rigorous calculations supported …

Optical modulators are key ingredients in optoelectronics applications ranging from energy
harvesting, sensor and imaging devices. In this framework, nonlinear photon conversion …

In this paper, an investigation is presented into infrared nanoantennas for solar energy
harvesting at 10-μm wavelength, where considerable solar energy is available. These …

An optical nano dipole antenna is analyzed by means of its input impedance as well as the
matching properties of the antenna topology and material configuration. A comparison of this …

Interest in the electromagnetic properties of loop structures has surged with the recent
appearance of split-ring resonator meta-materials (SRRs) and nano-antennas …

We study optical second harmonic generation from metallic dipole antennas with narrow
gaps. Enhancement of the fundamental-frequency field in the gap region plays a marginal …