- Microscopy
- Nanooptics
- Strong focusing
- Topological optics
- Wave morphology
- Optical spin-orbit linking
- Confined light
- Symmetry breaking
- Optical helicity and chirality
- Angular momentum of light
- Vector vortex beams
- Non-trivial structures in light
- Non-reciprocity
- Light matter interactions
- Spatialotemporal focussing