Nonlinear two-dimensional terahertz photon echo and rotational spectroscopy in the gas phase [PDF]
, 2016 Ultrafast two-dimensional spectroscopy utilizes correlated multiple light-matter interactions for retrieving dynamic features that may otherwise be hidden under the linear spectrum.
Fleischer, Sharly +5 more
core +2 more sources
Carrier lifetime modulation on current capability of SiC PiN diodes in a pulsed system
Discover Nano, 2023 Silicon carbide (SiC) PiN diode has shown substantial promise as the freewheel diode for switch protection in a pulsed system. In this paper, we investigate the carrier lifetime (τ) modulation on pulsed current capability of SiC PiN diodes.
Xingliang Xu +6 more
doaj +1 more source
Wide frequency tuning of continuous terahertz wave generated by difference frequency mixing under exciton-excitation conditions in a GaAs/AlAs multiple quantum well [PDF]
, 2018 Continuous terahertz wave sources with narrow bandwidth and wide frequency tunability enable high-resolution terahertz spectroscopy and high-speed information communication.
Clarke, Edmund +7 more
core +3 more sources
Effect of Ultraviolet Irradiation on 4H-SiC PiN Diodes Characteristics
Nanoscale Research Letters, 2021 In this paper, the effect of ultraviolet (UV) irradiation on the static characteristics of high voltage 4H-SiC PiN is investigated. No significant change is observed in the forward on state characteristic of 4H-SiC PiN diodes before and after ultraviolet
Xingliang Xu +6 more
doaj +1 more source
A True Optoelectronic Spectrum Analyzer for Millimeter Waves With Hz Resolution
IEEE Access, 2021 We present an architecture for millimeter-wave spectrum analyzers with Hz resolution and precision based on heterodyne down-conversion using ErAs:InGaAs photoconductive mixers driven by a tunable ultra-narrow linewidth continuous-wave (CW) photonic local
Anuar De Jesus Fernandez Olvera +2 more
doaj +1 more source
Design of a tunable, room temperature, continuous-wave terahertz source and detector using silicon waveguides [PDF]
, 2008 We describe the design of a silicon-based source for radiation in the 0.5-14 THz regime. This new class of devices will permit continuously tunable, milliwatt scale, cw, room temperature operation, a substantial advance over currently available ...
Baehr-Jones, T. +3 more
core +1 more source
Time-Delay Multiplexing of Two Beams in a Terahertz Imaging Radar [PDF]
, 2010 We demonstrate a time-delay multiplexing technique that doubles the frame rate of a 660–690-GHz imaging radar with minimal additional instrument complexity.
Bryllert, Tomas +5 more
core +1 more source
Progresses towards the application of terahertz technologies
Dianzi Jishu Yingyong, 2019 Science and technologies based on terahertz radiation have developed rapidly over the recent decades, which inspires the application attempts and research of terahertz technologies in several fields.
Wu Shuai, Qu Hao, Tu Hao, Feng Hui
doaj +1 more source
Nonlinear Terahertz Emission in Semiconductor Microcavities [PDF]
, 2013 We consider the nonlinear terahertz emission by the system of cavity polaritons in the regime of polariton lasing. To account for the quantum nature of terahertz-polariton coupling we use the Lindblad master equation approach and demonstrate that quantum
I. A. Shelykh +3 more
core +2 more sources
Sensors, 2021 Terahertz (THz) imaging techniques are attractive for a wide range of applications, such as non-destructive testing, biological sensing, and security imaging.
Da-Hye Choi +3 more
doaj +1 more source