Research Dynamics of disordered materials (including low-energy excitation spectra, low-temperature properties, implications for other properties, etc.); Glass transition; Raman, Brillouin and neutron scattering spectroscopies of disordered materials (including glasses, polymers, liquids and disordered crystals); Dynamics and functions of biological macromolecules; Photonics and nano-optics, scanning nano-Raman spectroscopy.