When light interacts with a metal nanoparticle (NP), its conduction electrons can be driven
by the incident electric field in collective oscillations known as localized surface plasmon …

Infrared and optical spectroscopy represents one of the most informative methods in
advanced materials research. As an important branch of modern optical techniques that has …

The present status and development of strong-field nano-optics, an emerging field of
nonlinear optics, is discussed. A nonperturbative regime of light-matter interactions is …

The control of light fields on subwavelength scales in nanophotonic structures has become
ubiquitous, driven by both curiosity and a multitude of applications in fields ranging from …

A conventional thermal emitter exhibits a broad emission spectrum with a peak wavelength
depending upon the operation temperature. Recently, narrowband thermal emission was …

Near-field infrared spectroscopy by elastic scattering of light from a probe tip resolves optical
contrasts in materials at dramatically subwavelength scales across a broad energy range …

Plasmonic hotspots in single gold nanostars are located at the tips and can be excited
selectively by laser light as evidenced by photoelectron emission microscopy. Selectivity is …

Metallic nanoparticles supporting a localized surface plasmon resonance have emerged as
promising platforms for nanoscopic labels, sensors, and (photo-) catalysts. To use …

Assemblies of strongly coupled plasmonic nanoparticles can support highly tunable electric
and magnetic resonances in the visible spectrum. In this Letter, we theoretically demonstrate …

Theory predicts a distinct spectral shift between the near-and far-field optical response of
plasmonic antennas. Here we combine near-field optical microscopy and far-field …