Over the past decade, the demonstration of frequency combs has been reported in a wide
range of quantum cascade lasers. These combs have huge potential in applications …

The dynamics of semiconductor lasers with fast gain is generally considered to suppress
amplitude modulation, resulting in a frequency‐modulated output. Since their first …

Dissipative Kerr solitons are self-organized optical waves arising from the interplay between
the Kerr effect and dispersion. They can form in nonlinear microresonators by deliberately …

In many laser systems, frequency combs whose output is frequency-modulated (FM) can
form, producing light whose frequency sweeps linearly. While this intriguing result has been …

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 …

Quantum cascade detectors (QCD) are photovoltaic mid-infrared detectors based on
intersubband transitions. Owing to the sub-picosecond carrier transport between subbands …

Frequency-modulated (FM) laser combs, which offer a quasi-continuous-wave output and a
flat-topped optical spectrum, are emerging as a promising solution for wavelength-division …

Optical nonlinearities are known to coherently couple amplitude and phase of light, which
can result in the formation of periodic waveforms. Such waveforms are referred to as optical …

Quantum cascade lasers (QCL) have revolutionized the generation of mid-infrared light. Yet,
the ultrafast carrier transport in mid-infrared QCLs has so far constituted a seemingly …

Multiheterodyne techniques using frequency combs—radiation sources whose lines are
perfectly evenly-spaced—have revolutionized science. By beating sources with the many …