Remote chemical detection in the atmosphere or some specific space has always been of
great interest in many applications for environmental protection and safety. Laser absorption …

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 …

The effect of spatial hole burning on mode proliferation has been shown both theoretically
and experimentally to be important for frequency comb operation in quantum cascade lasers …

We present gapless, high-resolution absorption and dispersion spectra obtained with
quantum cascade laser frequency combs covering 55 cm^− 1. Using phase-sensitive dual …

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

Frequency combs, spectra of phase-coherent equidistant lines often generated by mode-
locked femtosecond lasers, have revolutionized time and frequency metrology. 1, 2 In recent …

Two semiconductor optical frequency combs, consuming less than 1 W of electrical power,
are used to demonstrate high-sensitivity mid-infrared dual-comb spectroscopy in the …

In the current study, a quantum-cascade-laser-based dual-comb spectrometer (DCS) was
used to paint a detailed picture of a 1.0 ms high-temperature reaction between propyne and …

In this work, a design for a mid-infrared quantum cascade laser frequency comb source that
enhances the high frequency response and the comb characteristics of the device is …

Interband cascade (IC) laser structures offer attractive potential for operation at room
temperature as both broadband coherent sources of mid-infrared light and fast …