[HTML][HTML] High-temperature terahertz quantum cascade lasers

B Wen, D Ban - Progress in Quantum Electronics, 2021 - Elsevier
The terahertz (THz) quantum cascade laser (QCL), first demonstrated in 2002, is among the
most promising radiation sources in the THz region owing to its high output power and broad …

Arsenides-and related III-V materials-based multilayered structures for terahertz applications: Various designs and growth technology

AE Yachmenev, SS Pushkarev, RR Reznik… - Progress in Crystal …, 2020 - Elsevier
The fabrication and investigation of single and multilayered structures have become an
essential issue in the past decades since these structures directly define valuable properties …

Ultra‐broadband wide‐angle terahertz absorption properties of 3D graphene foam

Z Huang, H Chen, Y Huang, Z Ge… - Advanced functional …, 2018 - Wiley Online Library
As a next generation of detection technology, terahertz technology is very promising. In this
work, a highly efficient terahertz wave absorber based on 3D graphene foam (3DG) is first …

Terahertz quantum-cascade lasers: From design to applications

X Lü, B Röben, V Pistore, K Biermann… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
We report on the development and the application of high-performance terahertz (THz)
quantum-cascade lasers (QCLs) based on GaAs/Al Ga As heterostructures. These lasers …

A 3.5-THz,× 6-harmonic, single-ended Schottky diode mixer for frequency stabilization of quantum-cascade lasers

D Jayasankar, V Drakinskiy, N Rothbart… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
Efficient and compact frequency converters are essential for frequency stabilization of
terahertz sources. In this article, we present a-THz,-harmonic, integrated Schottky diode …

Terahertz quantum-cascade lasers for high-resolution absorption spectroscopy of atoms and ions in plasmas

X Lü, B Röben, K Biermann, JR Wubs… - Semiconductor …, 2023 - iopscience.iop.org
We report on terahertz (THz) quantum-cascade lasers (QCLs) based on GaAs/AlAs
heterostructures, which exhibit single-mode emission at 3.360, 3.921, and 4.745 THz. These …

[HTML][HTML] Room temperature negative differential resistance in terahertz quantum cascade laser structures

A Albo, Q Hu, JL Reno - Applied Physics Letters, 2016 - pubs.aip.org
The mechanisms that limit the temperature performance of GaAs/Al 0.15 GaAs-based
terahertz quantum cascade lasers (THz-QCLs) have been identified as thermally activated …

Tunable electronic and optical properties of a type-II AlAs/GaS heterojunction: first-principles calculations

J Wang, J Xuan, X Wei, Y Zhang, J Fan, L Ni, Y Yang… - …, 2023 - pubs.rsc.org
In this paper, the geometric structures and electron-optical properties of AlAs/GaS
heterojunctions and Se-doped AlAs/GaS heterojunctions are calculated based on first …

High-performance GaAs/AlAs terahertz quantum-cascade lasers for spectroscopic applications

L Schrottke, X Lü, B Röben, K Biermann… - IEEE Transactions …, 2019 - ieeexplore.ieee.org
We have developed terahertz (THz) quantum-cascade lasers (QCLs) based on GaAs/AlAs
heterostructures for application-defined emission frequencies between 3.4 and 5.0 THz. Due …

High-resolution terahertz spectroscopy with quantum-cascade lasers

HW Hübers, H Richter, M Wienold - Journal of Applied Physics, 2019 - pubs.aip.org
Terahertz (THz) quantum-cascade lasers (QCLs) are narrow band, high-power, and
frequency-agile sources. These properties make them attractive for applications in high …