Photonics, Lasers (Femtosecond lasers, Ultrashort laser pulses), Light, Microprocessing, Nanoscience and nanotechnology (Nanostructuring by ultrashort laser pulses), Optics, Photonics, Surface physics (time-resolved core-level spectroscopy, time-resolved surface spectroscopy), Surface physics (Nanostructured surfaces)
Photonics (Photo-luminescence), Lasers (Continuous-wave and pulsed lasers), Nanoscience and nanotechnology (Silicon nanocrystals)