O. Kappeler

Integrated Circuits Based on 300 GHz fT Metamorphic HEMT Technology for Millimeter-Wave and Mixed-Signal Applications

Arnulf Leuther, Michael Schlechtweg, Axel Tessmann, 2003 .

108 GHz dynamic frequency divider in 100 nm metamorphic enhancement HEMT technology

Michael Schlechtweg, O. Kappeler, W. Benz, 2003 .

Near‐UV LEDs for integrated InO‐based ozone sensors

Joachim Wagner, Oliver Ambacher, Volker Cimalla, 2010 .

66 GHz 2:1 static frequency divider using 100 nm metamorphic enhancement HEMT technology

Arnulf Leuther, Michael Schlechtweg, M. Lang, 2002 .

High power/high bandwidth GaN MMICs and hybrid amplifiers: design and characterization

M. Schlechtweg, S. Muller, H. Walcher, 2005, European Gallium Arsenide and Other Semiconductor Application Symposium, GAAS 2005.