The 2017 terahertz science and technology roadmap
Science and technologies based on terahertz frequency electromagnetic radiation (100 GHz–
30 THz) have developed rapidly over the last 30 years. For most of the 20th Century …
30 THz) have developed rapidly over the last 30 years. For most of the 20th Century …
Recent developments of terahertz quantum cascade lasers
Terahertz (THz) quantum cascade lasers (QCLs) are semiconductor-based electrically
pumped laser sources that are based on electron transitions between the subbands in the …
pumped laser sources that are based on electron transitions between the subbands in the …
Photonic engineering technology for the development of terahertz quantum cascade lasers
A terahertz (THz) quantum cascade laser (QCL) is an electrically pumped semiconductor
laser based on the inter‐subband electron transitions in a multiple‐quantum‐well …
laser based on the inter‐subband electron transitions in a multiple‐quantum‐well …
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 …
frequency-agile sources. These properties make them attractive for applications in high …
Monolithic semiconductor lasers with dynamically tunable linear-to-circular polarization
The ability to control the polarization state of emission from semiconductor lasers is essential
for many applications in spectroscopy, imaging, and communications, inter alia, with …
for many applications in spectroscopy, imaging, and communications, inter alia, with …
External amplitude and frequency modulation of a terahertz quantum cascade laser using metamaterial/graphene devices
Active control of the amplitude and frequency of terahertz sources is an essential
prerequisite for exploiting a myriad of terahertz applications in imaging, spectroscopy, and …
prerequisite for exploiting a myriad of terahertz applications in imaging, spectroscopy, and …
Ultrafast switch-on dynamics of frequency-tuneable semiconductor lasers
Single-mode frequency-tuneable semiconductor lasers based on monolithic integration of
multiple cavity sections are important components, widely used in optical communications …
multiple cavity sections are important components, widely used in optical communications …
Electrically tunable terahertz quantum cascade lasers based on a two-sections interdigitated distributed feedback cavity
The continuous electrical tuning of a single-mode terahertz quantum cascade laser
operating at a frequency of 3 THz is demonstrated. The devices are based on a two-section …
operating at a frequency of 3 THz is demonstrated. The devices are based on a two-section …
Terahertz quantum-cascade lasers for high-resolution spectroscopy of sharp absorption lines
B Röben, X Lü, K Biermann, L Schrottke… - Journal of Applied …, 2019 - pubs.aip.org
Terahertz (THz) quantum-cascade lasers (QCLs) are currently unparalleled for high-
resolution spectroscopy of very sharp absorption lines (linewidths below 100 MHz) in the …
resolution spectroscopy of very sharp absorption lines (linewidths below 100 MHz) in the …
Wideband, high-resolution terahertz spectroscopy by light-induced frequency tuning of quantum-cascade lasers
T Alam, M Wienold, X Lü, K Biermann, L Schrottke… - Optics …, 2019 - opg.optica.org
Near-infrared optical excitation enables wideband frequency tuning of terahertz quantum-
cascade lasers. In this work, we demonstrate the feasibility of the approach for molecular …
cascade lasers. In this work, we demonstrate the feasibility of the approach for molecular …