Terahertz intersubbband electrolulminescence from ZnO quantum cascade structures, based on four quantum well per period, is…
Frequency red tuning down to GHz-level is shown in THz Quantum Cascade Lasers, by post-processing alteration…
We present a terahertz quantum cascade laser array of laterally coupled waveguides with varying length. At…
The realization of a Ge/SiGe THz emitter is of great interest since it can help to…
Terahertz quantum optics