Lasers emitting mid-infrared (MIR) beams have become indispensable for spectroscopy,
free space communication or remote security measures. To the one of the most promising …

We present a quantum transport simulation of a 4.6-μ m quantum cascade laser (QCL)
operating at high power near room temperature. The simulation is based on a rigorous …

We develop a time-dependent density-matrix model to study photon-assisted (PA) electron
transport in quantum cascade lasers. The Markovian equation of motion for the density …

We present a numerically efficient density-matrix model applicable to mid-infrared quantum
cascade lasers. The model is based on a Markovian master equation for the density matrix …

In this work design, fabrication and characterization of mid-infrared AlInAs/InGaAs/InP QCLs
taper quantum cascade lasers are presented. In order to increase output power while …

In this work design, fabrication and characterization of mid-infrared AlInAs/InGaAs/InP QCLs
taper quantum cascade lasers are presented. In order to increase output power while …

The present paper provides a theoretical and experimental analysis of mid-infrared (4.5 µm)
quantum cascade laser Fabry-Perrot waveguides with various sidewall geometries …

Modern epitaxy methods have made it possible to grow semiconductor heterostructures with
monolayer precision. Owing to the abrupt change in the conduction and valance bands at …

In this paper, we present a theoretical and experimental analysis of mid-infrared (4.7 μm)
quantum cascade laser waveguides with different taper waveguides geometries: linear …

Quantum cascade lasers (QCLs) are high-power, coherent light sources emitting in the mid-
infrared and terahertz frequency ranges. In QCLs, multiple conduction subbands are formed …