Terahertz (THz) band communications are envisioned as a key technology for 6G and
Beyond. As a fundamental wireless infrastructure, THz communication can boost abundant …

In this roadmap article, we have focused on the most recent advances in terahertz (THz)
imaging with particular attention paid to the optimization and miniaturization of the THz …

Sensors are perhaps the most important and integral components of our modern society.
With global warming and environmental pollution garnering ever-increasing attention, as …

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 terahertz spectral range (λ= 30–300 µm) has long been devoid of compact, electrically
pumped, room-temperature semiconductor sources,,,. Despite recent progress with terahertz …

The sixth generation of mobile communication (6G) systems is recently rising a lot of interest,
introducing new futuristic and challenging use cases that will demand much more than just …

Harmonic comb states have proven to be ubiquitous in mid-IR quantum cascade lasers. We
report here on robust, pure, self-starting harmonic mode locking in Copper-based double …

Quantum cascade lasers (QCLs) represent the most fascinating achievement of quantum
engineering, showing how artificial materials can be generated through quantum design …

Chip‐scale, electrically‐pumped terahertz (THz) frequency‐combs (FCs) rely on nonlinear
four‐wave‐mixing processes, and have a nontrivial phase relationship between the evenly …

Four-wave-mixing-based quantum cascade laser frequency combs (QCL-FC) are a powerful
photonic tool, driving a recent revolution in major molecular fingerprint regions, ie mid-and …