Ultrawide-bandwidth single-channel 0.4-THz wireless link combining broadband quasi-optic photomixer and coherent detection

G Ducournau, P Szriftgiser, A Beck… - IEEE transactions on …, 2014 - ieeexplore.ieee.org
Free space communications with huge data capacity have become a key point for the
development of mobile access, services, and network technologies convergence. Wireless …

Ultrafast quantum-well photodetectors operating at 10 μm with a flat frequency response up to 70 GHz at room temperature

M Hakl, Q Lin, S Lepillet, M Billet, JF Lampin… - ACS …, 2021 - ACS Publications
III–V semiconductor mid-infrared photodetectors based on intersubband transitions hold
great potential for ultra-high-speed operation up to several hundreds of GHz. In this work we …

THz communications using photonics and electronic devices: the race to data-rate

G Ducournau, P Szriftgiser, F Pavanello… - Journal of Infrared …, 2015 - Springer
With the mass development of mobile data transfers, wireless communications have recently
entered a new area: the carrier frequency is now entering the THz region. After a brief …

Terahertz rotational spectroscopy of greenhouse gases using long interaction path-lengths

A Cuisset, F Hindle, G Mouret, R Bocquet… - Applied Sciences, 2021 - mdpi.com
Even if on-board mm-wave/THz heterodyne receivers have been developed to measure
greenhouse gases (GHGs) atmospheric profiles, rotational spectroscopy rests under …

Generation of mW level in the 300-GHz band using resonant-cavity-enhanced unitraveling carrier photodiodes

P Latzel, F Pavanello, M Billet, S Bretin… - IEEE Transactions …, 2017 - ieeexplore.ieee.org
We present a resonant-cavity-enhanced broadband unitraveling carrier photodiode
optimized for terahertz (THz) generation. It uses a novel semitransparent top-contact utilizing …

Broadband terahertz photonic integrated circuit with integrated active photonic devices

AK Mukherjee, M **ang, S Preu - Photonics, 2021 - mdpi.com
Present-day photonic terahertz (100 GHz–10 THz) systems offer dynamic ranges beyond
100 dB and frequency coverage beyond 4 THz. They yet predominantly employ free-space …

Photonic crystal-structures for THz vacuum electron devices

R Letizia, M Mineo, C Paoloni - IEEE Transactions on Electron …, 2014 - ieeexplore.ieee.org
The technology of photonic crystals (PhCs) is investigated here to improve the performance
of THz vacuum electron devices. Compared with conventional metallic waveguides, the PhC …

Design of sub-THz traveling wave tubes for high data rate long range wireless links

R Basu, LR Billa, R Letizia… - … Science and Technology, 2018 - iopscience.iop.org
The development of high capacity wireless networks, to satisfy the increasing demand of
mobile high-speed internet, is stimulating the exploitation of the wide frequency bands in the …

Graphene-based photoconductive antenna structures for directional terahertz emission

GJ Nissiyah, MG Madhan - Plasmonics, 2019 - Springer
Graphene-based photoconductive antenna structures for optically excited terahertz (THz)
emission is reported. Initially, a dipole antenna is designed using plasmonic graphene …

Efficient compact modelling of UTC-photodiode towards terahertz communication system design

C Mukherjee, M Natrella, J Seddon, C Graham… - Solid-State …, 2020 - Elsevier
Monolithic optoelectronic integrated circuits, OEICs are seen as key enabling technologies
to minimal power loss criteria. Monolithic OEICs combine, on the same die, cutting-edge …