MIOMD-XI Speakers    
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1.  Prof. Joachim Wagner, Fraunhofer-Institut für Angewandte Festkörperphysik (IAF), GERMANY
Late-Breaking Results: Recent advances in power scaling and narrow linewidth operation of 2 μm GaSb-based semiconductor disk lasers
Speaker Biography: Joachim Wagner received the Ph.D. degree in physics from the University of Stuttgart, Stuttgart, Germany, in 1982. From 1982 to 1984 he worked at the “Max-Planck-Institut für Festkörperforschung”, Stuttgart, Germany, in the group of Prof. M. Cardona before joining the Fraunhofer-Institut for Applied Solid State Physics, Freiburg, Germany, in 1985. There he is currently deputy director and head of the Department of “Optoelectronic Modules”. He is also Professor at the Institute of Physics of the University of Freiburg and an associated member of the Materials Research Center Freiburg (FMF). His current research interests include III/Vsemiconductor heterostructures and their application in optoelectronic devices both for the infrared and the visible/uv spectral range. He is author or coauthor of more than 400 scientific publications including several review papers and book chapters.

Summary: The (AlGaIn)(AsSb) semiconductor materials system has been shown to be ideally suited to realize optically pumped Semiconductor Disk Lasers (SDL), also known as Vertical External Cavity Surface Emitting Lasers (VECSELs), for the 2-3 µm wavelength range.
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