1. Fraunhofer Institute for Applied Solid State Physics IAF, Tullastrasse 72, 79108 Freiburg, Germany
2. Fritz-Hüttinger Chair for Energy-Efficient High-Frequency Electronics (EEH) Institute for Sustainable Systems Engineering (INATECH), University of Freiburg, Emmy-Noether-Strasse 2, 79110 Freiburg, Germany
3. Gips-Schüle Chair for Power Electronics, Institute for Sustainable Systems Engineering (INATECH), University of Freiburg, Emmy-Noether-Strasse 2, 79110 Freiburg, Germany