Quantum cascade lasers (QCLs) are high-power sources of coherent radiation in the
midinfrared and terahertz (THz) bands. Laser feedback interferometry (LFI) is one of the …

We report a coherent terahertz (THz) imaging system that utilises a quantum cascade laser
(QCL) operating in pulsed-mode as both the source and detector. The realisation of a short …

We report all-electronic coherent scattering-type scanning near-field microscopy (s-SNOM)
using a terahertz-frequency quantum cascade laser. By exploiting the coherent self-mixing …

In this work, we present a density-matrix model, which considers an infinite quantum
cascade laser (QCL) and models transport via a nearest neighbor approximation. We will …

Terahertz quantum cascade-lasers (QCLs) are able to produce higher optical output power
at higher temperatures when operated in pulsed mode. Predicting a laser's behavior under …

A common setback to electron transport models for quantum cascade laser active regions is
the inability to freely simulate widely varying designs. One solution to this problem is to use a …

In this work we present a generalization of the Liouvillian superoperator for periodic
quantum systems that can be formulated through partitioned Hamiltonians. We formulate a …

Terahertz (THz) quantum cascade lasers (QCLs) are compact sources of radiation in the 1–5
THz range with significant potential for applications in sensing and imaging. Laser feedback …

Terahertz frequency quantum cascade lasers (QCLs) are state of the art structures that
exploit multiple quantum well (MQW) system to generate emission by radiative transition …

Self-mixing interference (SMI) in terahertz quantum cascade lasers (THz QCLs) is one of the
significant approaches for coherent THz imaging and sensing techniques. Here, the output …