We review the history, development, design principles, experimental operating
characteristics, and specialized architectures of interband cascade lasers for the mid-wave …

Mid-infrared spectroscopy is a sensitive and selective technique for probing molecules in the
gas or liquid phase. Investigating chemical reactions in bio-medical applications such as …

Quantum cascade detectors (QCDs) are intersubband devices that are suited for high-
performance photodetection of mid-infrared light. In this comprehensive review, the state of …

The increasing demand of rapid sensing and diagnosis in remote areas requires the
development of compact and cost-effective mid-infrared sensing devices. So far, all …

New insights into the laser dynamics of interband cascade lasers reveal the possibility to
generate frequency-modulated combs by utilizing their inherent gain nonlinearity. The …

Bifunctional active regions, capable of light generation and detection at the same
wavelength, allow a straightforward realization of the integrated mid-infrared photonics for …

Quantum cascade lasers (QCL) have revolutionized the generation of mid-infrared light. Yet,
the ultrafast carrier transport in mid-infrared QCLs has so far constituted a seemingly …

Quality control of liquids is an important part of analytical chemistry. The gold standard for
measuring residual water in organic solvents and pharmaceutical applications is Karl …

Because of the ultrafast and photon-driven nature of the transport in their active region, we
demonstrate that quantum cascade lasers can be operated as resonantly amplified terahertz …

We demonstrate the concept of diagonal transitions for quantum cascade detectors (QCD).
Different to standard, vertical QCDs, here the active transition takes place between two …