Fundamentals and recent advances of terahertz resonant tunneling diodes

S Suzuki, M Asada - Applied Physics Express, 2024 - iopscience.iop.org
Terahertz (THz) technologies have been continuously developed for over two decades;
however, their use is limited, and finding widespread practical applications exclusive to THz …

Terahertz integration platforms using substrateless all-silicon microstructures

D Headland, M Fujita, G Carpintero, T Nagatsuma… - APL Photonics, 2023 - pubs.aip.org
The absence of a suitable standard device platform for terahertz waves is currently a major
roadblock that is inhibiting the widespread adoption and exploitation of terahertz technology …

Terahertz photodiode integration with multi-octave-bandwidth dielectric rod waveguide probe

S Iwamatsu, M Ali, JLF Estévez, M Grzeslo… - Optics Letters, 2023 - opg.optica.org
Photonic integrated circuits play a vital role in enabling terahertz (THz) applications that
require multi-octave bandwidth. Prior research has been limited in bandwidth due to …

Terahertz oscillator chips backside-coupled to unclad microphotonics

DJ Headland, Y Nishida, X Yu, M Fujita… - IEEE Journal of …, 2022 - ieeexplore.ieee.org
Terahertz technology is largely dependent upon planar on-chip antennas that radiate
downwards through the substrate, and so an effective means to interface these antennas …

Monolithically integrated mode converter from terahertz substrateless silicon guide to conductive slotline

D Headland, P Dechwechprasit… - Applied Physics …, 2024 - pubs.aip.org
Although substrateless micro-scale silicon waveguides are a useful and versatile platform
for terahertz waves, the fact that modal fields occupy the volume of the core limits the …

Terahertz Extreme Skin-Depth Waveguides

H Lees, D Headland… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
All-silicon substrateless waveguides have become a leading contender for terahertz device
integration owing to their broad operating bandwidth and exceptional efficiency. However …

Advanced terahertz devices and systems toward 6G and beyond

M Fujita - 2021 8th NAFOSTED Conference on Information and …, 2021 - ieeexplore.ieee.org
A wide untapped region exists between radio waves and light in the electromagnetic
spectrum: terahertz (THz) waves. THz frequencies combine the penetration of radio waves …

Terahertz resonant-tunneling diode with series-fed patch array antenna

MS Li, T Van Mai, C Fumeaux, S Suzuki… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
Resonant-tunneling diodes (RTDs) are promising electronic sources for terahertz (THz)
waves. A recently proposed slot-based RTD simplifies the fabrication process by removing …

Continuous leakage from slow-wave structure for integrated all-dielectric uniform leaky wave antenna

D Headland… - 2022 16th European …, 2022 - ieeexplore.ieee.org
We propose a concept to achieve continuous leakage from a slow-wave through a
combination of tailored wave tunneling from a channel waveguide to a dielectric slab and …

Integrated ultra-broadband THz photodiode with silicon rod waveguide interface

S Iwamatsu, M Ali… - … Waves (IRMMW-THz …, 2023 - ieeexplore.ieee.org
Dielectric waveguides have shown great promise for THz integrated systems due to their
ultra-low loss and broadband operation. This study reports an integration of ultra-broadband …