Quantum cascade laser (QCL) is becoming the leading laser source in the mid-infrared and
terahertz range due to its rapid development in power, efficiency, and spectral covering …

Recent advances in Terahertz Quantum Cascade Laser (THz QCL) development are
pushing this technology ever closer to practical application, particularly within the …

A broadband terahertz (THz) frequency comb assisted by an optical pump in THz quantum
cascade lasers (QCLs) is investigated theoretically and numerically through a Maxwell …

As a compact light source with high output power, quantum cascade laser has excellent
performance in the range of 1-5THz. By using THz QCL optical comb spectrum in this …

Portable terahertz (THz) frequency comb sources are highly desired for applications in
rotational molecular spectroscopy and sensing. To date, direct THz quantum cascade laser …

We report a terahertz quantum cascade laser frequency comb (THz QCL FC) with low
threshold current density, high power, and wide current dynamic range. The active region …

Terahertz quantum cascade laser sources based on intra-cavity difference frequency
generation from mid-IR devices are an important asset for applications in rotational …

Freely engineering the operation frequency of frequency comb sources is crucial for various
applications, eg, high-precision spectroscopy, ranging, communications, and so on. Here, by …

Quantum Cascade Laser (QCL) is a compact, mature and flexible coherent radiation source
in both terahertz (THz) and mid-infrared (midIR) frequency range. Many molecules have …

Optical frequency combs (FC) allow for extremely high resolution and broadband
spectroscopic measurements that are captured contemporaneously rather than through …