Tribuzy, Christiana Villas-Bôas, Ohser, Sabine, Winnerl, Stephan, Grenzer, Jörg, Schneider, Harald, Helm, Manfred, ...
Intersubband relaxation dynamics in InGaAs/AlAsSb multiquantum wells (QWs) is studied by single-color femtosecond pump-probe measurements. At early delay times, all samples show an exponential decay...
Inversionless amplification of coherent terahertz radiation (2003)
Janke, Christof, Haring Bolivar, Peter, Bartels, Albrecht, Kurz, Heinrich, Künzel, Harald
We experimentally demonstrate inversionless amplification of the emission from electronic transitions in a solid state system inside a cavity. A semiconductor-based terahertz (THz) emitter is exposed...