Terahertz meets AI: the state of the art

A Farhad, JY Pyun - Sensors, 2023 - mdpi.com
Terahertz (THz) is a promising technology for future wireless communication networks,
particularly for 6G and beyond. The ultra-wide THz band, ranging from 0.1 to 10 THz, can …

Extreme Ultra‐Wideband Optoelectronic Frequency‐Modulated Continuous‐Wave Terahertz Radar

S Mohammadzadeh, A Keil, M Kocybik… - Laser & Photonics …, 2023 - Wiley Online Library
A novel photonic terahertz measurement system based on a frequency‐modulated
continuous‐wave (FMCW) radar approach is presented. In previous works, fast frequency …

Terahertz sources and receivers: From the past to the future

S Makhlouf, O Cojocari, M Hofmann… - IEEE Journal of …, 2023 - ieeexplore.ieee.org
The rapid progress in semiconductor technology has vastly boosted the development of
terahertz sources and receivers in terms of compactness, reliability, operation frequency …

Frequency-domain terahertz spectroscopy using long-carrier-lifetime photoconductive antennas

PK Lu, M Jarrahi - Optics Express, 2023 - opg.optica.org
We present a telecommunication-compatible frequency-domain terahertz spectroscopy
system realized by novel photoconductive antennas without using short-carrier-lifetime …

Pigments, minerals, and copper-corrosion products: Terahertz continuous wave (THz-CW) spectroscopic characterization of antlerite and atacamite

C Moffa, C Merola, E Chiadroni, L Giuliani… - Journal of Cultural …, 2024 - Elsevier
In this work, the optical properties of atacamite, antlerite and azurite are characterized for the
first time by exploiting a high-resolution coherent THz-CW spectrometer in the spectral range …

Performance of photoconductive receivers at 1030 nm excited by high average power THz pulses

T Vogel, S Mansourzadeh, U Nandi… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
In the last few years, many advances have been made in the demonstration of high-average
power pulsed THz sources; however, little effort has been made to study compatible …

Discrimination of natural and synthetic forms of azurite: an innovative approach based on high-resolution Terahertz Continuous Wave (THz-CW) spectroscopy for …

C Moffa, A Curcio, C Merola, M Migliorati, L Palumbo… - Dyes and …, 2024 - Elsevier
It is not always possible to discriminate natural and synthetic forms of pigments in a non-
invasive way. In this work, we demonstrate that THz spectroscopy allows for this selective …

Miniaturized continuous-wave terahertz spectrometer with 3.6 THz bandwidth enabled by photonic integration and microelectronics

S Nellen, L Schwenson, L Liebermeister… - IEEE …, 2024 - ieeexplore.ieee.org
Broadband terahertz spectroscopy is a valuable analytical tool in science and a promising
technology for industrial non-destructive, non-contact testing, eg thickness measurements of …

Photoconductive receivers at 1030 nm for high average power pulsed THz detection

T Vogel, S Mansourzadeh, U Nandi, J Norman… - arXiv preprint arXiv …, 2023 - arxiv.org
In the last few years, many advances have been made in the demonstration of high-average
power pulsed THz sources; however, little effort has been made to study compatible …

Characterisation of multi-layered structures using a vector-based gradient descent algorithm at terahertz frequencies

A Mukherjee, S Wassmann, K Wenzel, B Globisch… - Optics …, 2023 - opg.optica.org
Material characterisation and imaging applications using terahertz radiation have gained
interest in the past few years due to their enormous potential for industrial applications. The …