Frequency combs in quantum cascade lasers: An overview of modeling and experiments
Over the past decade, the demonstration of frequency combs has been reported in a wide
range of quantum cascade lasers. These combs have huge potential in applications …
range of quantum cascade lasers. These combs have huge potential in applications …
Gas-phase broadband spectroscopy using active sources: progress, status, and applications
Broadband spectroscopy is an invaluable tool for measuring multiple gas-phase species
simultaneously. In this work we review basic techniques, implementations, and current …
simultaneously. In this work we review basic techniques, implementations, and current …
High-power portable terahertz laser systems
A Khalatpour, AK Paulsen, C Deimert… - Nature …, 2021 - nature.com
Terahertz (THz) frequencies remain among the least utilized in the electromagnetic
spectrum, largely due to the lack of powerful and compact sources. The invention of THz …
spectrum, largely due to the lack of powerful and compact sources. The invention of THz …
The 2017 terahertz science and technology roadmap
SS Dhillon, MS Vitiello, EH Linfield… - Journal of Physics D …, 2017 - iopscience.iop.org
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 …
Thermoelectrically cooled THz quantum cascade laser operating up to 210 K
We present a terahertz quantum cascade laser operating on a thermoelectric cooler up to a
record-high temperature of 210.5 K. The active region design is based on only two quantum …
record-high temperature of 210.5 K. The active region design is based on only two quantum …
Quantum cascade lasers: 20 years of challenges
We review the most recent technological and application advances of quantum cascade
lasers, underlining the present milestones and future directions from the Mid-infrared to the …
lasers, underlining the present milestones and future directions from the Mid-infrared to the …
Quantum cascade laser frequency combs
It was recently demonstrated that broadband quantum cascade lasers can operate as
frequency combs. As such, they operate under direct electrical pumping at both mid-infrared …
frequency combs. As such, they operate under direct electrical pumping at both mid-infrared …
New frontiers in quantum cascade lasers: high performance room temperature terahertz sources
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 …
source of mid-infrared radiation, finding large scale applications because of their wide …
Planarized THz quantum cascade lasers for broadband coherent photonics
Recently, there has been a growing interest in integrated THz photonics for various
applications in communications, spectroscopy and sensing. We present a new integrated …
applications in communications, spectroscopy and sensing. We present a new integrated …
[HTML][HTML] Enhanced operating temperature in terahertz quantum cascade lasers based on direct phonon depopulation
Room temperature operation of terahertz quantum cascade lasers (THz QCLs) has been a
long-pursued goal to realize compact semiconductor THz sources. In this paper, we report …
long-pursued goal to realize compact semiconductor THz sources. In this paper, we report …