Quantum cascade lasers (QCLs) are becoming a key tool for plenty of applications, from the
mid-infrared (mid-IR) to the THz range. Progress in related areas, such as the development …

Detection and analysis of volatile compounds in exhaled breath represents an attractive tool
for monitoring the metabolic status of a patient and disease diagnosis, since it is non …

On-chip integration of optical comb sources is crucial in enabling their widespread use.
Integrated photonic devices that can be mass-manufactured in semiconductor processing …

Miniaturized frequency comb sources across hard-to-access spectral regions, ie mid-and far-
infrared, have long been sought. Four-wave-mixing based Quantum Cascade Laser combs …

Recently, the field of optical frequency combs experienced a major development of new
sources. They are generally much smaller in size (on the scale of millimetres) and can …

Quantum cascade lasers (QCLs) are becoming a key tool in several advanced experiments
in the field of precision molecular spectroscopy and absolute frequency metrology. In view of …

We present the characterization of a novel balanced homodyne detector operating in the
mid-infrared. The challenging task of revealing non-classicality in mid-infrared light, eg in …

A novel study on harmonic frequency combs emitted by quantum cascade lasers (QCLs) is
presented here, demonstrating the presence of intensity correlations between twin modes …

Quantum cascade laser frequency combs are nowadays well-appreciated sources for
infrared spectroscopy. Here their applicability for free-space optical communication is …

We demonstrate the use of a low power near-infrared laser illuminating the front facet of a
quantum cascade laser (QCL) as an optical actuator for the coherent control of a mid …