Due to their intuitiveness, flexibility, and relative numerical efficiency, the macroscopic
Maxwell–Bloch (MB) equations are a widely used semiclassical and semi …

It was recently demonstrated that broadband quantum cascade lasers can operate as
frequency combs. As such, they operate under direct electrical pumping at both mid-infrared …

Quantum cascade laser (QCL) frequency combs are a promising candidate for chemical
sensing and biomedical diagnostics,,–. They are electrically pumped and compact, making …

Quantum cascade lasers (QCLs) have broken the spectral barriers of semiconductor lasers
and enabled a range of applications in the mid-infrared (MIR) and terahertz (THz) regimes …

Abstract The Maxwell–Lindblad transmission line (MLT) equations are introduced as a
model for hybrid photonic and microwave‐electronic quantum devices. The hybrid concept …

We present homogeneous quantum cascade lasers (QCLs) emitting around 3 THz which
display bandwidths up to 950 GHz with a single stable beatnote. Devices are spontaneously …

Frequency combs, specialized laser sources emitting multiple equidistant frequency lines,
have revolutionized science and technology with unprecedented precision and versatility …

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 …

The onset of nonlinear dynamics and chaos is evidenced in a mid-infrared distributed
feedback quantum cascade laser both in the temporal and frequency domains. As opposed …

In this work, control over the precise state emitted by quantum cascade laser frequency
combs through strong radio‐frequency current modulation close to their repetition frequency …