Terahertz quantum-cascade lasers

BS Williams - Nature photonics, 2007 - nature.com
Six years after their birth, terahertz quantum-cascade lasers can now deliver milliwatts or
more of continuous-wave coherent radiation throughout the terahertz range—the spectral …

Electrically pumped topological laser with valley edge modes

Y Zeng, U Chattopadhyay, B Zhu, B Qiang, J Li, Y **… - Nature, 2020 - nature.com
Quantum cascade lasers are compact, electrically pumped light sources in the
technologically important mid-infrared and terahertz region of the electromagnetic spectrum …

Superconducting hot-electron bolometer: from the discovery of hot-electron phenomena to practical applications

A Shurakov, Y Lobanov… - … Science and Technology, 2015 - iopscience.iop.org
The discovery of hot-electron phenomena in a thin superconducting film in the last century
was followed by numerous experimental studies of its appearance in different materials …

New frontiers in quantum cascade lasers: high performance room temperature terahertz sources

MA Belkin, F Capasso - Physica Scripta, 2015 - iopscience.iop.org
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 …

Operation of terahertz quantum-cascade lasers at 164 K in pulsed mode and at 117 K in continuous-wave mode

BS Williams, S Kumar, Q Hu, JL Reno - Optics express, 2005 - opg.optica.org
We report the demonstration of a terahertz quantum-cascade laser that operates up to 164 K
in pulsed mode and 117 K in continuous-wave mode at approximately 3.0 THz. The active …

Technology, capabilities, and performance of low power terahertz sources

G Chattopadhyay - IEEE Transactions on Terahertz Science …, 2011 - ieeexplore.ieee.org
New and emerging terahertz technology applications make this a very exciting time for the
scientists, engineers, and technologists in the field. New sensors and detectors have been …

High-power terahertz quantum cascade lasers

BS Williams, S Kumar, Q Hu… - 2006 Conference on …, 2006 - ieeexplore.ieee.org
High-power terahertz quantum cascade lasers Page 1 High-power Terahertz Quantum
Cascade Lasers Benjamin S. Williams, Sushil Kumar, and Qing Hu Department of Electrical …

THz and sub‐THz quantum cascade lasers

G Scalari, C Walther, M Fischer… - Laser & Photonics …, 2009 - Wiley Online Library
In this paper we review recent progress in obtaining laser action from semiconductor
quantum cascade structures covering the low THz region of the electromagnetic spectrum …

Ultrasensitive room‐temperature terahertz direct detection based on a bismuth selenide topological insulator

W Tang, A Politano, C Guo, W Guo… - Advanced Functional …, 2018 - Wiley Online Library
Despite their huge application capabilities, millimeter‐and terahertz‐wave photodetectors
still face challenges in the detection scheme. Topological insulators (TIs) are predicted to be …

Bound-to-continuum terahertz quantum cascade laser with a single-quantum-well phonon extraction/injection stage

MI Amanti, G Scalari, R Terazzi, M Fischer… - New Journal of …, 2009 - iopscience.iop.org
A terahertz quantum cascade laser design that combines a wide gain bandwidth, large
photon-driven transport and good high-temperature characteristics is presented. It relies on …