Frequency combs have revolutionized the field of optical spectroscopy, enabling
researchers to probe molecular systems with a multitude of accurate and precise optical …

Since its invention in 1994, the quantum cascade laser (QCL) has emerged as a versatile
light source of wavelength 4–12 µm, covering most of the mid-and long-wavelength infrared …

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 …

Abstract Mid‐wave infrared (MIR, 3–5 µm) optical frequency combs (OFC) are of critical
importance for spectroscopy of fundamental molecular transitions in space and terrestrial …

The mid-infrared optical frequency comb is a powerful tool for gas sensing. In this study, we
demonstrate a simple mid-infrared dual-comb spectrometer covering 3–4 μm in LiNbO3 …

Cavity-enhanced dual-comb spectroscopy holds significant research value by combining the
high sensitivity of cavity enhancement and dual-comb high resolution and rapid …

Cavity-enhanced dual-comb spectroscopy promises broadband, high-resolution, and highly
sensitive spectroscopic measurements on sub-millisecond time scales, making it highly …

ABSTRACT A numerical model for the simulation of frequency combs in interband cascade
lasers is developed. The approach is based on slowly varying amplitude approximation for …

Historical development of the ICL will be reviewed, from original theoretical concept in 1994,
to incremental development culminating in its realization as a high-performance mid-IR …

Frequency combs based on mid-infrared cascade lasers have been studied both
experimentally and theoretically in recent years. So far only FM combs with quasi-cw output …