Control over the dispersion of the refractive index is essential to the performance of most
modern optical systems. These range from laboratory microscopes to optical fibres and even …

Single-molecule super-resolution fluorescence microscopy and single-particle tracking are
two imaging modalities that illuminate the properties of cells and materials on spatial scales …

Optical bound states in the continuum (BICs) are states supported by a photonic structure
that are compatible with free-space radiation, yet become perfectly bound for one specific in …

Photonic metasurfaces, that is, two-dimensional arrangements of designed plasmonic or
dielectric resonant scatterers, have been established as a successful concept for controlling …

Single-photon nanoantennas are broadband strongly scattering nanostructures placed in
the near field of a single quantum emitter, with the goal to enhance the coupling between the …

Existing methods of correcting for chromatic aberrations in optical systems are limited to two
approaches: varying the material dispersion in refractive lenses or incorporating grating …

Image processing and edge detection are at the core of several newly emerging
technologies, such as augmented reality, autonomous driving, and more generally object …

Immersion objectives can focus light into a spot smaller than what is achievable in free
space, thereby enhancing the spatial resolution for various applications such as microscopy …

One-dimensional (1D) nanomaterials with highly anisotropic optoelectronic properties are
key components in energy harvesting, flexible electronics, and biomedical imaging devices …

Gratings and holograms use patterned surfaces to tailor optical signals by diffraction.
Despite their long history, variants with remarkable functionalities continue to be developed …