High-capacity free-space optical communications using wavelength-and mode-division-multiplexing in the mid-infrared region

K Zou, K Pang, H Song, J Fan, Z Zhao, H Song… - Nature …, 2022 - nature.com
Due to its absorption properties in atmosphere, the mid-infrared (mid-IR) region has gained
interest for its potential to provide high data capacity in free-space optical (FSO) …

Monolithic integration of mid-infrared quantum cascade lasers and frequency combs with passive waveguides

R Wang, P Täschler, Z Wang, E Gini, M Beck… - ACS …, 2022 - ACS Publications
Mid-infrared semiconductor lasers in photonic integrated circuits are of considerable interest
for a variety of industrial, environmental, and medical applications. However, photonic …

Free-space mid-IR communications using wavelength and mode division multiplexing

AE Willner, K Zou, K Pang, H Song, H Zhou… - Optics …, 2023 - Elsevier
There has been growing interest in free-space optical (FSO) communications in the mid-
infrared (mid-IR) region. In this paper, we review FSO communications in the mid-IR using …

Tunable single-mode chip-scale mid-infrared laser

E Shim, A Gil-Molina, O Westreich, Y Dikmelik… - Communications …, 2021 - nature.com
Portable mid-infrared (mid-IR) spectroscopy and sensing applications require widely
tunable, chip-scale, single-mode sources without sacrificing significant output power …

Far-infrared quantum cascade lasers operating in the AlAs phonon reststrahlen band

K Ohtani, M Beck, MJ Suess, J Faist, AM Andrews… - ACS …, 2016 - ACS Publications
We report on the operation of a double metal waveguide far-infrared quantum cascade laser
emitting at 28 μm, corresponding to the AlAs-like phonon reststrahlen band. To avoid …

Plasmon-enhanced waveguide for dispersion compensation in mid-infrared quantum cascade laser frequency combs

Y Bidaux, I Sergachev, W Wuester, R Maulini… - Optics letters, 2017 - opg.optica.org
We demonstrate dispersion compensation in mid-infrared quantum cascade laser frequency
combs (FCs) emitting at 7.8 μm using the coupling of a dielectric waveguide to a plasmonic …

Single-mode lasing in ring-cavity surface-emitting lasers

A Babichev, E Kolodeznyi, A Gladyshev… - Journal of Optical …, 2023 - opg.optica.org
Subject of study. Distributed-feedback ring-cavity surface-emitting quantum-cascade lasers
are studied. Aim of study. The aim is to realize stable single-mode emission in ring-cavity …

Tunable frequency comb generation using quantum cascade lasers subject to optical injection

BB Zhao, V Kovanis, C Wang - IEEE Journal of Selected Topics …, 2019 - ieeexplore.ieee.org
We dissect the enabling capabilities of the tunable period-one (P1) limit cycles of optically
injected quantum cascade laser (QCL) oscillators for the generation of optical frequency …

Quantum-cascade lasers with a distributed Bragg reflector formed by ion-beam etching

AV Babichev, DA Pashnev, AG Gladyshev… - Technical Physics …, 2020 - Springer
Single-mode lasing of quantum-cascade lasers with a distributed Bragg reflector formed by
ion-beam etching in layers of the upper waveguide cladding is demonstrated. The active …

High power, broad tuning, double-stack quantum cascade laser at λ∼ 6.9 µm

S Niu, QY Lu, YQ Sun, Y Ma, XY Lu, FQ Liu… - Optical Materials …, 2023 - opg.optica.org
Broadband double-stack quantum cascade lasers with strain-balanced<? pag\break?> In0.
60Ga0. 40As/In0. 43Al0. 57As and In0. 60Ga0. 40As/In0. 41Al0. 59As emitting at a …