Dr. Lutz Schrottke Senior Scientist +49 30 20377-339 schrottke@pdi-berlin.de Semiconductor Spectroscopy Room: 533 Core research areas Intersubband Emitters: GaAs-based Quantum-Cascade Lasers Projects Micro-integrated terahertz quantum-cascade laser for high-resolution spectroscopy (Micro-QCL) Expertise Terahertz quantum-cascade lasers