Retrieval of phase relation and emission profile of quantum cascade laser frequency combs

F Cappelli, L Consolino, G Campo, I Galli, D Mazzotti… - Nature …, 2019 - nature.com
Recently, the field of optical frequency combs experienced a major development of new
sources. They are generally much smaller in size (on the scale of millimetres) and can …

Real-time, chirped-pulse heterodyne detection at room temperature with 100 GHz 3-dB-bandwidth mid-infrared quantum-well photodetectors

Q Lin, M Hakl, S Lepillet, H Li, JF Lampin, E Peytavit… - Optica, 2023 - opg.optica.org
Thanks to intrinsically short electronic relaxation on the ps time scale, III-V semiconductor
unipolar devices are ideal candidates for ultrahigh-speed operation at mid-infrared …

Mid-infrared homodyne balanced detector for quantum light characterization

T Gabbrielli, F Cappelli, N Bruno, N Corrias, S Borri… - Optics …, 2021 - opg.optica.org
We present the characterization of a novel balanced homodyne detector operating in the
mid-infrared. The challenging task of revealing non-classicality in mid-infrared light, eg in …

Intensity correlations in quantum cascade laser harmonic frequency combs

T Gabbrielli, N Bruno, N Corrias, S Borri… - Advanced Photonics …, 2022 - Wiley Online Library
A novel study on harmonic frequency combs emitted by quantum cascade lasers (QCLs) is
presented here, demonstrating the presence of intensity correlations between twin modes …

Analog FM free-space optical communication based on a mid-infrared quantum cascade laser frequency comb

N Corrias, T Gabbrielli, P De Natale, L Consolino… - Optics …, 2022 - opg.optica.org
Quantum cascade laser frequency combs are nowadays well-appreciated sources for
infrared spectroscopy. Here their applicability for free-space optical communication is …

[HTML][HTML] Coherent control of mid-infrared frequency comb by optical injection of near-infrared light

KN Komagata, A Parriaux, M Bertrand, J Hillbrand… - APL Photonics, 2023 - pubs.aip.org
We demonstrate the use of a low power near-infrared laser illuminating the front facet of a
quantum cascade laser (QCL) as an optical actuator for the coherent control of a mid …

Time/frequency-domain characterization of a mid-IR DFG frequency comb via two-photon and heterodyne detection

T Gabbrielli, G Insero, M De Regis, N Corrias, I Galli… - Optics …, 2023 - opg.optica.org
Mid-infrared frequency combs are nowadays well-appreciated sources for spectroscopy and
frequency metrology. Here, a comprehensive approach for characterizing a difference …

[HTML][HTML] Fast horizontal radial plume mapping of N2O using open-path absorption spectroscopy with a quantum-cascade laser

PJ Rodrigo, HE Larsen, AS Ashik, NT Vechi… - Atmospheric …, 2024 - Elsevier
We demonstrate record fast horizontal radial plume mapping (HRPM) of nitrous oxide (N 2
O) emissions, enabled by a quantum-cascade laser (QCL) and an open-path direct …

Time-stretch infrared spectroscopy

A Kawai, K Hashimoto, T Dougakiuchi… - Communications …, 2020 - nature.com
Improving the spectral acquisition rate of broadband mid-infrared spectroscopy promises
further advancements of molecular science and technology. Unlike pump-probe …

Intermittent operation of QC-lasers for mid-IR spectroscopy with low heat dissipation: tuning characteristics and driving electronics

M Fischer, B Tuzson, A Hugi, R Brönnimann, A Kunz… - Optics …, 2014 - opg.optica.org
Intermittent scanning for continuous-wave quantum cascade lasers is proposed along with a
custom-built laser driver optimized for such operation. This approach lowers the overall heat …