Simultaneous detection of ambient methane, nitrous oxide, and water vapor using an external-cavity quantum cascade laser
Sign Up to like & getrecommendations! Published in 2018 at "Atmospheric Environment"
DOI: 10.1016/j.atmosenv.2018.07.001
Abstract: Abstract A compact laser-based absorption sensor system associated with a 152-m path length absorption cell for simultaneous second harmonic (2f) detection of atmospheric nitrous oxide (N2O), methane (CH4), and water vapor (H2O) is presented. An… read more here.
Keywords: cavity quantum; detection; nitrous oxide; water vapor ... See more keywords
Passive synthesis rules of coupled-cavity quantum cascade lasers
Sign Up to like & getrecommendations! Published in 2019 at "Opto-Electronics Review"
DOI: 10.1016/j.opelre.2019.08.001
Abstract: Abstract A new approach to passive electromagnetic modelling of coupled–cavity quantum cascade lasers is presented in this paper. One of challenges in the rigorous analysis of such eigenvalue problem is its large size as compared… read more here.
Keywords: cavity quantum; coupled cavity; quantum cascade;
Cavity quantum electrodynamics with atom-like mirrors
Sign Up to like & getrecommendations! Published in 2019 at "Nature"
DOI: 10.1038/s41586-019-1196-1
Abstract: It has long been recognized that atomic emission of radiation is not an immutable property of an atom, but is instead dependent on the electromagnetic environment1 and, in the case of ensembles, also on the… read more here.
Keywords: atom; cavity quantum; quantum electrodynamics; electrodynamics ... See more keywords
High fidelity heralded single-photon source using cavity quantum electrodynamics
Sign Up to like & getrecommendations! Published in 2018 at "Scientific Reports"
DOI: 10.1038/s41598-018-21481-z
Abstract: Demands for single-photon sources are ubiquitous in quantum information processing as well as in quantum metrology. In many protocols for producing single photons, a cavity-emitter configuration is used. In such cavity quantum electrodynamical systems, the… read more here.
Keywords: photon; cavity quantum; fidelity; electrodynamics ... See more keywords
An external-cavity quantum cascade laser operating near 5.2 µm combined with cavity ring-down spectroscopy for multi-component chemical sensing
Sign Up to like & getrecommendations! Published in 2018 at "Laser Physics"
DOI: 10.1088/1555-6611/aaaa55
Abstract: We report on the performance of a widely tunable continuous wave mode-hop-free external-cavity quantum cascade laser operating at λ ~ 5.2 µm combined with cavity ring-down spectroscopy (CRDS) technique for high-resolution molecular spectroscopy. The CRDS… read more here.
Keywords: cavity quantum; external cavity; cavity; spectroscopy ... See more keywords
Mid-Infrared Reflectance Spectroscopy Based on External Cavity Quantum Cascade Lasers for Mineral Characterization
Sign Up to like & getrecommendations! Published in 2022 at "Applied Spectroscopy"
DOI: 10.1177/00037028211063928
Abstract: Mineral characterization using tunable external cavity quantum cascade lasers for mid-infrared reflectance spectroscopy is presented. Reflection spectra taken on common minerals are shown along with their spectral variations. Measurements at different incident angles were also… read more here.
Keywords: cavity quantum; quantum cascade; spectroscopy; mineral characterization ... See more keywords
Standoff chemical plume detection in turbulent atmospheric conditions with a swept-wavelength external cavity quantum cascade laser.
Sign Up to like & getrecommendations! Published in 2020 at "Optics express"
DOI: 10.1364/oe.385850
Abstract: Rapid and sensitive standoff measurement techniques are needed for detection of trace chemicals in outdoor plume releases, for example from industrial emissions, unintended chemical leaks or spills, burning of biomass materials, or chemical warfare attacks.… read more here.
Keywords: cavity quantum; detection; external cavity; wavelength external ... See more keywords