Frequency combs in quantum cascade lasers: An overview of modeling and experiments

C Silvestri, X Qi, T Taimre, K Bertling, AD Rakić - APL Photonics, 2023 - pubs.aip.org
Over the past decade, the demonstration of frequency combs has been reported in a wide
range of quantum cascade lasers. These combs have huge potential in applications …

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 …

Femtosecond pulses from a mid-infrared quantum cascade laser

P Täschler, M Bertrand, B Schneider, M Singleton… - Nature …, 2021 - nature.com
The quantum cascade laser has evolved to be a compact, powerful source of coherent mid-
infrared light; however, its fast gain dynamics strongly restricts the formation of ultrashort …

On-chip optical comb sources

A Hermans, K Van Gasse, B Kuyken - APL Photonics, 2022 - pubs.aip.org
On-chip integration of optical comb sources is crucial in enabling their widespread use.
Integrated photonic devices that can be mass-manufactured in semiconductor processing …

Theory of hybrid microwave–photonic quantum devices

C Jirauschek - Laser & Photonics Reviews, 2023 - Wiley Online Library
Abstract The Maxwell–Lindblad transmission line (MLT) equations are introduced as a
model for hybrid photonic and microwave‐electronic quantum devices. The hybrid concept …

High-capacity free-space optical link in the midinfrared thermal atmospheric windows using unipolar quantum devices

P Didier, H Dely, T Bonazzi, O Spitz… - Advanced …, 2022 - spiedigitallibrary.org
Free-space optical communication is a very promising alternative to fiber communication
systems, in terms of ease of deployment and costs. Midinfrared light has several features of …

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 …

Controlling quantum cascade laser optical frequency combs through microwave injection

B Schneider, F Kapsalidis, M Bertrand… - Laser & Photonics …, 2021 - Wiley Online Library
In this work, control over the precise state emitted by quantum cascade laser frequency
combs through strong radio‐frequency current modulation close to their repetition frequency …

Engineering the spectral bandwidth of quantum cascade laser frequency combs

M Beiser, N Opačak, J Hillbrand, G Strasser… - Optics Letters, 2021 - opg.optica.org
Quantum cascade lasers (QCLs) facilitate compact optical frequency comb sources that
operate in the mid-infrared and terahertz spectral regions, where many molecules have their …

Absolute frequency referencing in the long wave infrared using a quantum cascade laser frequency comb

KN Komagata, M Gianella, P Jouy, F Kapsalidis… - Optics …, 2022 - opg.optica.org
Optical frequency combs (OFCs) based on quantum cascade lasers (QCLs) have
transformed mid-infrared spectroscopy. However, QCL-OFCs have not yet been exploited to …