Roadmap of terahertz imaging 2021

G Valušis, A Lisauskas, H Yuan, W Knap, HG Roskos - Sensors, 2021 - mdpi.com
In this roadmap article, we have focused on the most recent advances in terahertz (THz)
imaging with particular attention paid to the optimization and miniaturization of the THz …

Responsivity and NEP improvement of terahertz microbolometer by high-impedance antenna

AP Aji, H Satoh, C Apriono, ET Rahardjo, H Inokawa - Sensors, 2022 - mdpi.com
The antenna-coupled microbolometer with suspended titanium heater and thermistor was
attractive as a terahertz (THz) detector due to its structural simplicity and low noise levels. In …

Terahertz Antenna Impedance Matched to a Graphene Photodetector

F Joint, K Zhang, J Poojali, D Lewis… - ACS Applied …, 2024 - ACS Publications
Develo** low-power, high-sensitivity photodetectors for the terahertz (THz) band that
operate at room temperature is an important challenge in optoelectronics. In this study, we …

Low-Frequency noise investigation of 1.09 μm GaAsBi laser diodes

J Glemža, V Palenskis, A Geižutis, B Čechavičius… - materials, 2019 - mdpi.com
GaAsBi is a suitable and very attractive material system to be used as an active layer in laser
diodes (LDs). To understand the performance and the reliability of such devices and also for …

Symmetric bow-tie diode for terahertz detection based on transverse hot-carrier transport

D Seliuta, J Vyšniauskas, K Ikamas… - Journal of Physics D …, 2020 - iopscience.iop.org
Room temperature terahertz detection based on the transverse transport of hot electrons in
symmetric bow-tie diode was demonstrated and studied in this work. More than an order of …

Hyperbolic-tangent composition-graded InxGa1-xAs/GaAs (100) structures grown by molecular beam epitaxy

A Belio-Manzano, LI Espinosa-Vega… - Materials Science in …, 2022 - Elsevier
The molecular beam epitaxial growth and physical properties of In graded-composition
layers of InGaAs on GaAs (100) substrates varying nominal In concentration from 12 to 97 …

Gated bow-tie diode for microwave to sub-terahertz detection

S Ašmontas, M Anbinderis, A Čerškus, J Gradauskas… - Sensors, 2020 - mdpi.com
We propose a new design microwave radiation sensor based on a selectively doped
semiconductor structure of asymmetrical shape (so-called bow-tie diode). The novelty of the …

Photoluminescence emission in the red band at low temperatures in type-island layers of the Al0. 32Ga0. 68 As/Al0. 29Ga0. 71As/GaAs structure obtained via liquid …

AM Herrera, A Ramos, R García, E Gastellóu, G García… - Optical Materials, 2022 - Elsevier
Type-island layers for the Al 0.32 Ga 0.68 As/Al 0.29 Ga 0.71 As/GaAs structure were grown
on GaAs substrates at 600° C, via liquid phase epitaxy with a growth rate of 0.5° C/min for 4 …

Heteroestructuras epitaxiales metamórficas para el desarrollo de emisores terahertz

A Belio Manzano - REPOSITORIO NACIONAL …, 2024 - repositorioinstitucional.uaslp.mx
Dislocation generation due to lattice mismatch in heterostructures is an issue in the
development of new devices requiring exceptional crystalline quality. The particular …

[PDF][PDF] Low-Frequency Noise Investigation of 1.09 µm GaAsBi Laser Diodes

R Butkute, S Pralgauskaite, J Matukas - academia.edu
GaAsBi is a suitable and very attractive material system to be used as an active layer in laser
diodes (LDs). To understand the performance and the reliability of such devices and also for …