In the past two decades, great progress has been made in the development of inexpensive,
compact and efficient mid-infrared pulsed fiber laser Q-switched, mode-locked, and gain …

Absorption spectroscopy of fundamental ro-vibrational transitions in the mid-infrared region
provides a powerful tool for studying the structure and dynamics of molecules in the gas …

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 …

Dual-comb spectroscopy can provide broad spectral bandwidth and high spectral resolution
in a short acquisition time, enabling time-resolved measurements. Specifically, spectroscopy …

We experimentally demonstrate and theoretically explain the onset of optical frequency
combs in a simple cavity-enhanced second-harmonic-generation system, exploiting second …

We present a versatile mid-infrared frequency comb spectroscopy system based on a doubly
resonant optical parametric oscillator tunable in the 3–5.4 μm range and two detection …

Vernier spectroscopy is a frequency comb-based technique employing optical cavities for
filtering of the comb and for enhancement of the interaction length with the sample …

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 …

Long-wavelength mid-infrared (MIR) frequency combs with high power and flexible tunability
are highly desired for molecular spectroscopy, including investigation of large molecules …

Optical frequency combs based on quantum cascade lasers have recently been
demonstrated in the mid-and far-infrared spectral regions, opening the possibility for …