Free-space communication with directly modulated mid-infrared quantum cascade devices

O Spitz, P Didier, L Durupt… - IEEE Journal of …, 2021 - ieeexplore.ieee.org
This study deals with the communication capabilities of two kinds of semiconductor lasers
emitting in one of the atmosphere transparency windows, around 4 m. One of these two …

A review of recent results of mid-infrared quantum cascade photonic devices operating under external optical control

O Spitz, F Grillot - Journal of Physics: Photonics, 2022 - iopscience.iop.org
The purpose of this article is to gather recent findings about the non-linear dynamics of
distributed feedback quantum cascade lasers (QCLs), with a view on practical applications …

Chaotic light at mid-infrared wavelength

L Jumpertz, K Schires, M Carras… - Light: Science & …, 2016 - nature.com
The onset of nonlinear dynamics and chaos is evidenced in a mid-infrared distributed
feedback quantum cascade laser both in the temporal and frequency domains. As opposed …

Nonlinear dynamics of a quantum cascade laser with tilted optical feedback

XG Wang, BB Zhao, Y Deng, V Kovanis, C Wang - Physical Review A, 2021 - APS
Interband semiconductor lasers subject to optical feedback usually produce rich nonlinear
dynamics. However, it is hard to destabilize quantum cascade lasers using common optical …

[HTML][HTML] Measurements of the linewidth enhancement factor of mid-infrared quantum cascade lasers by different optical feedback techniques

L Jumpertz, F Michel, R Pawlus, W Elsäßer, K Schires… - AIP Advances, 2016 - pubs.aip.org
Precise knowledge of the linewidth enhancement factor of a semiconductor laser under
actual operating conditions is of prime importance since this parameter dictates various …

Frequency noise suppression of optical injection-locked quantum cascade lasers

XG Wang, BB Zhao, F Grillot, C Wang - Optics Express, 2018 - opg.optica.org
This work theoretically investigates the frequency noise (FN) characteristics of quantum
cascade lasers subject to the optical injection through a set of coupled rate equations with …

Uniform spike trains in optically injected quantum cascade oscillators

Y Peng, S Liu, V Kovanis, C Wang - Chaos: An Interdisciplinary Journal …, 2023 - pubs.aip.org
It has been experimentally and theoretically analyzed that noise-induced excitability in
quantum well and quantum dot semiconductor laser systems usually produces sharp spike …

Rate equation modeling of the frequency noise and the intrinsic spectral linewidth in quantum cascade lasers

XG Wang, F Grillot, C Wang - Optics Express, 2018 - opg.optica.org
This work theoretically investigates the frequency noise (FN) characteristics of quantum
cascade lasers (QCLs) through a three-level rate equation model, which takes into account …

[图书][B] Nonlinear photonics in mid-infrared quantum cascade lasers

L Jumpertz - 2017 - books.google.com
This thesis presents the first comprehensive analysis of quantum cascade laser nonlinear
dynamics and includes the first observation of a temporal chaotic behavior in quantum …

Spectral linewidth reduction of quantum cascade lasers by strong optical feedback

XG Wang, BB Zhao, F Grillot, C Wang - Journal of Applied Physics, 2020 - pubs.aip.org
In this work, we propose to employ strong optical feedback to narrow the spectral linewidth
of quantum cascade lasers without using any phase control. Rate equation analysis …