Laser frequency combs are coherent light sources that emit a broad spectrum of discrete,
evenly spaced narrow lines whose absolute frequency can be measured to within the …

We review the most recent technological and application advances of quantum cascade
lasers, underlining the present milestones and future directions from the Mid-infrared to the …

We present a high-resolution, high-temperature version of the Carbon Dioxide
Spectroscopic Databank called CDSD-4000. The databank contains the line parameters …

High-precision measurements with molecules may refine our knowledge of various fields of
physics, from atmospheric and interstellar physics to the standard model or physics beyond …

Thanks to the advent of optical frequency comb synthesizers, based on femto-second mode-
locked lasers, the field of optical frequency metrology has experienced an extraordinary …

Quantum cascade lasers, can be considered the primary achievement of electronic band
structure engineering, showing how artificial materials can be created through quantum …

A comprehensive investigation of the frequency-noise spectral density of a free-running
midinfrared quantum-cascade laser is presented for the first time. It provides direct evidence …

We present an atmospheric version, CDSD-296, of the carbon dioxide spectroscopic
databank (CDSD). The databank contains the calculated line parameters (positions …

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 …

A continuous-wave Fabry–Pérot quantum cascade laser (QCL) emitting at 8.1 μm operating
in the single mode regime has been coherently phase locked to a turn-key low-noise …