Dr. Lutz Schrottke Senior Scientist schrottke@pdi-berlin.de Semiconductor Spectroscopy Forschungsschwerpunkte Intersubband Emitters: GaAs-based Quantum-Cascade Lasers Projekte Micro-integrated terahertz quantum-cascade laser for high-resolution spectroscopy (µQCL) Kompetenzen Terahertz quantum-cascade lasers