Towards integrated mid-infrared gas sensors

D Popa, F Udrea - Sensors, 2019 - mdpi.com
Optical gas sensors play an increasingly important role in many applications. Sensing
techniques based on mid-infrared absorption spectroscopy offer excellent stability …

Mid-infrared III–V semiconductor lasers epitaxially grown on Si substrates

E Tournié, L Monge Bartolome, M Rio Calvo… - Light: Science & …, 2022 - nature.com
There is currently much activity toward the integration of mid-infrared semiconductor lasers
on Si substrates for developing a variety of smart, compact, sensors based on Si-photonics …

Silicon photonic platforms for mid-infrared applications

T Hu, B Dong, X Luo, TY Liow, J Song, C Lee… - Photonics …, 2017 - opg.optica.org
Silicon photonic integrated circuits for telecommunication and data centers have been well
studied in the past decade, and now most related efforts have been progressing toward …

Laser absorption spectroscopy for combustion diagnosis in reactive flows: A review

C Liu, L Xu - Applied Spectroscopy Reviews, 2019 - Taylor & Francis
Laser absorption spectroscopy (LAS) has been rapidly developed and widely applied to
combustion diagnosis in recent decades. As a cost-effective tool for measuring multiple …

New frontiers in quantum cascade lasers: high performance room temperature terahertz sources

MA Belkin, F Capasso - Physica Scripta, 2015 - iopscience.iop.org
In the last decade quantum cascade lasers (QCLs) have become the most widely used
source of mid-infrared radiation, finding large scale applications because of their wide …

Next-generation mid-infrared sources

D Jung, S Bank, ML Lee, D Wasserman - Journal of Optics, 2017 - iopscience.iop.org
The mid-infrared (mid-IR) is a wavelength range with a variety of technologically vital
applications in molecular sensing, security and defense, energy conservation, and …

Recent progress in terahertz difference-frequency quantum cascade laser sources

K Fujita, S Jung, Y Jiang, JH Kim, A Nakanishi, A Ito… - …, 2018 - degruyter.com
Terahertz quantum cascade laser (QCL) sources based on intra-cavity difference frequency
generation are currently the only electrically pumped monolithic semiconductor light sources …

Coherent emission in the vicinity of 10 THz due to Auger-suppressed recombination of Dirac fermions in HgCdTe quantum wells

SV Morozov, VV Rumyantsev, MS Zholudev… - ACS …, 2021 - ACS Publications
The discovery of Dirac fermions in a number of 2D and 3D materials boosted the solid-state
research in an unprecedented way. Among the many hopes of using their exceptional …

Application of terahertz pulse time-domain holography for phase imaging

NV Petrov, MS Kulya, AN Tsypkin… - IEEE transactions on …, 2016 - ieeexplore.ieee.org
Terahertz pulse time-domain holography (THz PTDH) is the powerful technique for high-
resolution amplitude and phase THz imaging that allows mapping spectroscopic information …

Sensing nitriles with THz spectroscopy of urine vapours from cancers patients subject to chemotherapy

V Vaks, V Anfertev, M Chernyaeva, E Domracheva… - Scientific Reports, 2022 - nature.com
A THz nonstationary high-resolution spectrometer based on semiconductor superlattice
multipliers is applied to investigate the dynamics of urine composition for cancer patients …