Plasmonic Nanostructures - Research

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

Second harmonic generation by tilted nanocones and oligomers (with M. Kauranen group, Tampere, Finland)
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

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;

substrates for surface enhanced Raman spectroscopy

Development of plasmonic near-field scanning probes

(with Molecular Foundry Berkeley, NMI Reutlingen)

Plasmonic nanostructures and carbon nanomaterials / 2D materials

(with NMI Reutlingen)

Substrates for the manipulation of Bose Einstein Condensates by plasmonic surface potentials

(with S. Slama group)