- Photoinduced phenomena in solids
- Site-selective spectroscopy
- Spectral hole-burning
- Biomolecules and molecular complexes
- Photon echoes and ultrafast phenomena
- Dephasing and spectral diffusion
- Single nanosystems and nanooptics
- Single molecule / nanoparticle spectroscopy
- Single biomolecules, single Q-dots
- Single ions / color centers in solids and nanocrystals
- Nanoscopy
- Near field and nanoplasmonics
- Nonlinear optical effects
- Functionalized nanomaterials
- Optical markers
- Organic and inorganic systems
- Photovoltaic applications
- Hybrid systems
- Single molecule / particle sensors
- Optical signal processing and quantum technologies
- Quantum information in condensed phase
- Time and space domain holography
- On-chip technologies
- Novel spectroscopic techniques and instruments