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
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Electrical and radiation characteristics of semilarge photoconductive terahertz emitters [PDF]
, 2004 We present experimental characterization of semilarge photoconductive emitters, including their electrical/photoconductive parameters and terahertz spectra. A range of emitters were studied and fabricated on both LT-GaAs and SI-GaAs, having a variety
Fletcher, J.R. +4 more
core +1 more source
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
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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
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
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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
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
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Direct measurement of molecular mobility and crystallisation of amorphous pharmaceuticals using terahertz spectroscopy. [PDF]
, 2016 Despite much effort in the area, no comprehensive understanding of the formation and behaviour of amorphous solids has yet been achieved. This severely limits the industrial application of such materials, including drug delivery where, in principle ...
core +2 more sources
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
Compact Design for Bi-Polarization Quantum Routers on SOI Platform
Photonics, 2023 An ultra-compact optical quantum router (QR) consisting of a Mach–Zehnder interferometer (MZI) and waveguide tapers is proposed and numerically simulated, using silicon-on-insulator (SOI).
Zijie Dai +5 more
doaj +1 more source