Focal beam structuring by triple mixing of optical vortex lattices (2022) Stoyanov L, Maleshkov G, Stefanov I, Paulus GG, Dreischuh A Journal article Non equilibrium Green’s function quantum transport for green multi-quantum well nitride light emitting diodes (2018) Shedbalkar A, Witzigmann B Journal article Model pathway diagrams for the representation of mathematical models (2018) Müller D, Kohlhase M, Koprucki T, Tabelow K, Rabe F Journal article, Original article Signature of the ideality factor in III-nitride multi quantum well light emitting diodes (2017) Römer F, Witzigmann B Journal article Optimization of 1.55 µm quantum dot edge-emitting lasers for narrow spectral linewidth (2016) Bjelica M, Witzigmann B Journal article Frequency domain analysis of modes in a photonic crystal micro-opto-electro-mechanical system with periodically arranged circular holes (2012) Akcakoca U, Witzigmann B, Zamora R, Kusserow T, Hillmer H Journal article Wave guiding properties of ribbed surface waveguides in three frequency domains (2012) Limmer S, Fey D Journal article Tdkp/AQUA: Unified modeling of electroluminescence in nanostructures (2009) Steiger S, Veprek RG, Witzigmann B Journal article Laser Beam Cutting. (1995) Gropp A, Hutfless J, Schuberth S, Geiger M Journal article Transmission of two mode coded channels in one fibre using optical directional couplers as mode selective elements (1992) Schmauß B Journal article, Review article