Development and fabrication of functional micro- and nanostructures; fabrication of plasmonic nanostructures as optical antennas; new fabrication techniques for three-dimensional plasmonic nanostructures
Optical investigation of plasmonic nanostructures with dark-field scattering spectroscopy and extinction, three-dimensional determination of the mode structure (with UTT Troyes)
Numerical simulations of near-fields, optical spectra and radiation patterns using Finite Element Method and Finite-Difference Time Domain simulations
Plasmo-mechanical devices on flexible substrates - varying geometry and coupling strength by reversible strain
Second harmonic generation by tilted nanocones and oligomers (with M. Kauranen group, Tampere, Finland)
Plasmonic structural colours
Cavity modes in metal-insulator-metal (MIM) structures (with P.-M. Adam group, UTT Troyes)
Nanostructuring for surface enhanced Raman spectroscopy (SERS)
Photoluminescence of nanorings (with A.J. Meixner/D. Zhang group)
Diblock copolymer templates for the self-assembly of nanoparticles; Electroless deposition for variable size micelles; Capillary force self-assembly of nanoparticles
Development of methods for the selective functionalization of optical antennas; hybrid structures of individual antennas and single/few molecules/quantum dots, single photon sources
Combination of optical antennas and GRIN lenses as sensor elements (with M. Brecht, A.J. Meixner/D. Zhang, G. Gauglitz groups)
Mechanically controllable break junctions (with K. Braun, A.J. Meixner group)
Plasmonic structures, optical grids and organic thin films: energy transfer processes and organic photovoltaics (with F. Schreiber group)
Integration of plasmonic structures with microfluidic channels; concentration of nano-objects at optical antennas
Parallel structuring by nanosphere lithography
Development of plasmonic near-field scanning probes (with Molecular Foundry Berkeley, NMI Reutlingen)