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

Even though already in the seventies, right after the invention of the quantum cascade laser
(QCL) concept, it was argued that this device could be operated in the THz (far-infrared) …

Quantum cascade lasers, can be considered the primary achievement of electronic band
structure engineering, showing how artificial materials can be created through quantum …

The quantum cascade laser (QCL) is an important laser source in the mid-infrared and
terahertz frequency range. The past twenty years have witnessed its tremendous …

Discover how mid-infrared and terahertz photonics has been revolutionized in this
comprehensive overview of state-of-the art quantum cascade lasers (QCLs). Combining real …

We review the most recent technological and application advances of quantum cascade
lasers, underlining the present milestones and future directions from the Mid-infrared to the …

We present a study concerning the dynamics of dense and harmonic coherent regimes in
quantum cascade lasers (QCLs) in a Fabry–Perot configuration emitting in the terahertz …

Recently, there has been a growing interest in integrated THz photonics for various
applications in communications, spectroscopy and sensing. We present a new integrated …

Terahertz (THz) quantum cascade lasers (QCLs) are semiconductor-based electrically
pumped laser sources that are based on electron transitions between the subbands in the …

The gain recovery time of a heterogeneous active region terahertz quantum cascade laser is
studied by terahertz-pump-terahertz-probe spectroscopy. The investigated active region …