Terahertz imaging using quantum cascade lasers—a review of systems and applications
The terahertz (THz) frequency quantum cascade laser (QCL) is a compact source of THz
radiation offering high power, high spectral purity and moderate tunability. As such, these …
radiation offering high power, high spectral purity and moderate tunability. As such, these …
Tunable emission in THz quantum cascade lasers
MS Vitiello, A Tredicucci - IEEE Transactions on Terahertz …, 2011 - ieeexplore.ieee.org
The technological solutions and optical configurations employed to tune the emission
frequency of quantum cascade lasers (QCLs) operating in the Terahertz range are reviewed …
frequency of quantum cascade lasers (QCLs) operating in the Terahertz range are reviewed …
Analysis of structures and technologies of various types of photodetectors used in laser warning systems: a review
S Mohammadnejad, M Aasi - Optical Engineering, 2023 - spiedigitallibrary.org
With the advancement of laser technology in recent decades, this device has been used in a
wide range of applications, such as medical sciences, military, industry, holography …
wide range of applications, such as medical sciences, military, industry, holography …
Broadband THz lasing from a photon-phonon quantum cascade structure
Laser emission over a broad range of frequencies from 2.8 to 4.1 THz is reported for a two-
quantum well, photon-phonon cascade structure. Maximum operating temperatures of 125 K …
quantum well, photon-phonon cascade structure. Maximum operating temperatures of 125 K …
Probing scattering mechanisms with symmetric quantum cascade lasers
A characteristic feature of quantum cascade lasers is their unipolar carrier transport. We
exploit this feature and realize nominally symmetric active regions for terahertz quantum …
exploit this feature and realize nominally symmetric active regions for terahertz quantum …
GaAs/Al0. 15Ga0. 85As terahertz quantum cascade lasers with double-phonon resonant depopulation operating up to 172 K
We report the design and performance of GaAs/Al 0.15 Ga 0.85 As terahertz quantum
cascade lasers with double-phonon resonant depopulation and a vertical lasing transition …
cascade lasers with double-phonon resonant depopulation and a vertical lasing transition …
Semantic Enrichment of the Quantum Cascade Laser Properties in Text-A Knowledge Graph Generation Approach
A well structured collection of the various Quantum Cascade Laser (QCL) design and
working properties data provides a platform to analyze and understand the relationships …
working properties data provides a platform to analyze and understand the relationships …
High-temperature operation of broadband bidirectional terahertz quantum-cascade lasers
Terahertz quantum cascade lasers (QCLs) with a broadband gain medium could play an
important role for sensing and spectroscopy since then distributed-feedback schemes could …
important role for sensing and spectroscopy since then distributed-feedback schemes could …
Coherent transport description of the dual-wavelength ambipolar terahertz quantum cascade laser
G Beji, Z Ikonić, CA Evans, D Indjin… - Journal of Applied …, 2011 - pubs.aip.org
A transport and gain model is developed for the recently realized ambipolar dual-
wavelength terahertz quantum cascade laser. The model is based on the simplified density …
wavelength terahertz quantum cascade laser. The model is based on the simplified density …
Research progress in terahertz quantum cascade lasers
JC Cao - Science China Information Sciences, 2012 - Springer
The terahertz (THz) quantum cascade laser (QCL) is a coherent THz source based on
intersubband transitions of unipolar carriers. As semiconductor lasers, THz QCLs are solid …
intersubband transitions of unipolar carriers. As semiconductor lasers, THz QCLs are solid …