A theoretical and experimental study of the optical gain and the linewidth enhancement
factor (LEF) of a type-I quantum-cascade (QC) laser is reported. QC lasers have a …

Experimental results using the amplified spontaneous emission spectroscopy of a type-II
interband-cascade laser are presented. Using the Hakki-Paoli method, the optical gain …

Experimental results using the amplified spontaneous emission spectroscopy of a type-I
quantum-cascade laser are presented. Using the Hakki–Paoli method, the optical gain …

We describe a procedure to optimize mid-infrared quantum cascade lasers with respect to
the resonant second-order optical susceptibility, based on supersymmetric quantum …

We discuss various intracavity optical nonlinearities up to the third order in quantum-
cascade lasers. The discussions are based on two kinds of nonlinearities, each toward …

Quantum cascade lasers are unipolar semiconductor lasers that, due to the generality of the
principles they are based on and the flexibility of the underlying technology, allow to …

This paper explores enhancement of nonlinear susceptibility in strained quantum cascade
lasers (QCLs) that lead to unique intracavity characteristics that include frequency mixing …

We present simulations of midinfrared quantum-cascade lasers (QCLs) with optimized
second-harmonic generation (SHG). The optimized design was obtained utilizing …

In this work, the modeling strategy of quantum-cascade lasers is generalized to including the
harmonic-resonance-enhanced nonlinear oscillations up to the third order. In addition to the …

Since the invention of the quantum cascade (QC) laser, which was demonstrated by Faist et
al. in 1994, there has been much progress and advancement to include a wide range of …