Quantum optics: nonlinear optics, stimulated light scattering such as stimulated Raman scattering, and stimulated Brillouin scattering, multiphoton absorbance.

Integrated photonics: distributed meandering waveguide structures for quantum optics and quantum computing.

Silicon photonics: integration of silicon microspheres as building blocks of photonic lightwave circuits.

Optical microcavities: elastic and inelastic light scattering in dielectric and semiconductor microspheres.

Complex media: optoelectronic devices based on embedding microspheres in liquid crystals.

Nanophotonics: nanostructured semiconductors such as amorphous silicon, black silicon, and porous silicon.

Laser diagnostics: light scattering, Schlieren photography, fluorescence by photoluminescence and chemiluminescence applied to combustion diagnostics. microparticle detection, microsphere sensors.