Time-domain modelling of pulsed photoconducting sources—Part II: Characterization of an LT GaAs bow-tie antenna

AF Bernardis, PM Sberna, J Bueno… - … on Antennas and …, 2023 - ieeexplore.ieee.org
Drude's description of the response of low-temperature gallium arsenide to optical pulse
excitation is used to evaluate the components of a time-domain Norton equivalent circuit of a …

Numerical investigation and circuit analysis of interdigitated photoconductive antenna for terahertz applications

V Rathinasamy, RR Thipparaju, ENF Boby… - Optical and Quantum …, 2022 - Springer
Terahertz generation through photoconductive antenna (PCA) is quite popular mainly due to
the advancement of nanotechnology and material research. An extensive investigation of …

Survey of terahertz photonics and biophotonics

K Ahi, N Jessurun, MP Hosseini… - Optical …, 2020 - spiedigitallibrary.org
We review the advances of terahertz (THz) science and technology in biophotonics,
including related challenges and solutions. The main impediment to THz spectroscopy and …

Time-domain modelling of pulsed photoconducting sources—Part I: The Norton equivalent circuit

A Neto, NL Juan, A Freni - IEEE Transactions on Antennas and …, 2022 - ieeexplore.ieee.org
In the circuit theory, the Norton and Thevenin equivalent generators are tools that simplify
the solutions of networks involving passive or active components. They have been …

Microwave-absorbing performance of a radar-absorbing structure composed of K0. 5Na0. 5NbO3/ZrO2/Al2O3 heterojunction

Z Yang, M Sun, J Li, Q Zhou, W Ren, Y Jia - Ceramics International, 2021 - Elsevier
Abstract We fabricated a ZrO 2/Al 2 O 3 ceramic using the 3D plasma spraying technology,
and the surface morphology and electrical properties of the prepared ceramic were …

Time-domain Equivalent Circuits for the Link Modelling Between Pulsed Photoconductive Sources and Receivers

H Zhang, N Llombart, J Bueno… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Photoconductive antennas (PCAs) are promising candidates for sensing and imaging
applications. In recent years, our group has investigated their properties under pulsed laser …

The impact of structural parameters of split-ring resonators on the terahertz radiation characteristics of micro-structured photoconductive antennas: A simulation study

H Deng, Z Xiong, W Qu, Z Wu, Q Liu… - IEEE Photonics …, 2020 - ieeexplore.ieee.org
In this study, we have theoretically designed a micro-structured photoconductive antenna
based on the combination of split-ring resonator (SRR) and dipole photoconductive …

Terahertz emission improvement of gallium-arsenide-based bowtie photoconductive antenna by AAO-patterned gold nanoparticles integration on the photoconducting …

LND Rosa, KJ Alaba, NI Cabello, R Loberternos… - Optical Materials, 2024 - Elsevier
We report on the terahertz emission improvement in GaAs-based photoconductive antennas
(PCA) with gold (Au) nanoparticles (NPs) on the PCA gap, patterned using anodic aluminum …

Proposing a refined and simplified equivalent circuit model for precise THz photoconductive antenna analysis

H Zeraoula, D Benyahia, M Lazoul - Optical and Quantum Electronics, 2024 - Springer
Equivalent circuit models (ECMs) are widely used to assess the photoconductive antennas
(PCAs) performances in terahertz (THz) systems. However, an existing version, which has …

Terahertz emission mechanisms in low-temperature-grown and semi-insulating gallium arsenide photoconductive antenna devices excited at above-and below …

LN Dela Rosa, J Publico, NI Cabello… - Semiconductor …, 2024 - iopscience.iop.org
In this work, the terahertz (THz) time-domain spectroscopy was employed in studying the
carrier dynamics in low-temperature grown (LT-) and semi-insulating (SI-) gallium arsenide …