Hans Peter Wagner
Associate Professor
Department of Physics
University of Cincinnati
United States of America
Biography
He is expertised in Molecular beam epitaxy (MBE) and organic molecular beam deposition (OMBD); Semiconductor nanostructures organic thin films and organic light emitting diodes (OLEDs); Exciton transition and coherent relaxation dynamics of exitons; Nonlinear optical properties of semiconductors and organics time resolved spectroscopic techniques;
Research Interest
Organic molecular beam deposition (OMBD) and optical characterization of organic and hybrid organic/semiconductor nanostructures. Fabrication of organic light emitting diodes (OLEDs). Study of linear and nonlinear optical properties in organic/semiconductor waveguides and nanostructures: - Stimulated emission - Second harmonic generation - Two-photon absorption - Coherent exciton dynamics in II-VI quantum wells, - wires and – dots using the experimental technique of four wave mixing (FWM) - Phase Coherent Photorefractivity (PCP) in semiconductor quantum wells; Optical Coherence Imaging (OCI) and contrast enhanced holographic imaging (CEHI) using phase coherent photorefractive quantum wells. Fabrication and investigation of plasmonic waveguides and of plasmonic organic/semiconductor nanowire heterostructures.