Strong interactions of electromagnetic fields with plasmonic nanomaterials have been
exploited in various applications. These applications have centred on plasmon-enhanced …

Progress in electron-beam spectroscopies has recently enabled the study of optical
excitations with combined space, energy and time resolution in the nanometre …

In the past 20 years, we have reached a broad understanding of many light-driven
phenomena in nanoscale systems. The temporal dynamics of the excited states are instead …

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 …

Surface plasmons (SPs) are electromagnetic surface waves that propagate at the interface
between a conductor and a dielectric. Due to their unique ability to concentrate light on two …

Advances in the research of interactions between ultrafast free electrons and light have
introduced a previously unknown kind of quantum matter, quantum free-electron …

Integrating plasmonic nanoparticles with semiconductor substrates introduces strong optical
resonances that extend and enhance the spectrum of photocatalytic and photovoltaic …

The ability of light to carry and deliver orbital angular momentum (OAM) in the form of optical
vortices has attracted much interest. The physical properties of light with a helical wavefront …

Free electron beams such as those employed in electron microscopes have evolved into
powerful tools to investigate photonic nanostructures with an unrivaled combination of …

Intense ultrashort light pulses comprising merely a few wave cycles became routinely
available by the turn of the millennium. The technologies underlying their production and …