A laser frequency comb is a broad spectrum composed of equidistant narrow lines. Initially
invented for frequency metrology, such combs enable new approaches to spectroscopy over …

Dual-comb spectroscopy (DCS) is a promising approach for real time, high precision, and
high sensitivity Fourier-transform spectroscopy. DCS requires a pair of tightly phase-locked …

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 …

Spectroscopy in the molecular fingerprint spectral region (6.7–20 µm) yields critical
information on material structure for physical, chemical, and biological sciences. Despite …

Probing matter with light in the mid-infrared provides unique insight into molecular
composition, structure, and function with high sensitivity. However, laser spectroscopy in this …

Mid-infrared (MIR) spectrometers are invaluable tools for molecular fingerprinting and hyper-
spectral imaging. Among the available spectroscopic approaches, GHz MIR dual-comb …

Using sub-3-cycle pulses from mode-locked Cr: ZnS lasers at λ≈ 2.4 µm as a driving
source, we performed high-resolution dual-frequency-comb spectroscopy in the longwave …

Dual-comb spectroscopy is a rapidly developing spectroscopic technique that does not
require any opto-mechanical moving parts and enables broadband and high-resolution …

Open-path measurements of atmospheric gas species in the air, including volatile organic
compounds, are essential to quantify emissions from sources like oil and gas, forest fires …

Ultrabroadband electro-optic sampling using few-optical-cycle probing pulses is a sensitive
technique to detect electric field amplitudes with a high dynamic range and up to near …