L Schrottke

High-temperature, continuous-wave operation of terahertz quantum-cascade lasers with metal-metal waveguides and third-order distributed feedback.

A. Tahraoui, H. Grahn, B. Röben, 2014, Optics express.

Frequency modulation spectroscopy with a THz quantum-cascade laser.

H. Hübers, R. Hey, H. Grahn, 2013, Optics express.