Graphene-based plasmonic metamaterial for terahertz laser transistors

T Otsuji, SA Boubanga-Tombet, A Satou, D Yadav… - …, 2022 - degruyter.com
This paper reviews recent advances in the research and development of graphene-based
plasmonic metamaterials for terahertz (THz) laser transistors. The authors' theoretical …

Recent Progress in Development of Carbon-Nanotube-Based Photo-Thermoelectric Sensors and Their Applications in Ubiquitous Non-Destructive Inspections

K Li, Y Kinoshita, D Sakai, Y Kawano - Micromachines, 2022 - mdpi.com
The photo-thermoelectric (PTE) effect in electronic materials effectively combines photo-
absorption-induced local heating and associated thermoelectric conversion for uncooled …

Ultrafast carrier dynamics and terahertz emission in optically pumped graphene at room temperature

S Boubanga-Tombet, S Chan… - Graphene-Based …, 2020 - taylorfrancis.com
In this chapter, the authors report, within a picosecond time scale, fast relaxation and
relatively slow recombination dynamics of photogenerated electrons and holes in an …

Fast and sensitive terahertz detection with a current-driven epitaxial-graphene asymmetric dual-grating-gate field-effect transistor structure

K Tamura, C Tang, D Ogiura, K Suwa, H Fukidome… - APL Photonics, 2022 - pubs.aip.org
We designed and fabricated an epitaxial-graphene-channel field-effect transistor (EG-FET)
featuring an asymmetric dual-grating-gate (ADGG) structure working as a current-driven …

Room-temperature amplification of terahertz radiation by grating-gate graphene structures

S Boubanga-Tombet, W Knap, D Yadav, A Satou… - Physical Review X, 2020 - APS
We study terahertz (THz) radiation transmission through grating-gate graphene-based
nanostructures. We report on room-temperature THz radiation amplification stimulated by …

Hydrodynamic theory of the Dyakonov-Shur instability in graphene transistors

J Crabb, X Cantos-Roman, JM Jornet, GR Aizin - Physical Review B, 2021 - APS
We present a comprehensive theory of the Dyakonov-Shur (DS) plasma instability in current-
biased graphene transistors. Using the hydrodynamic approach, we derive equations …

Out-of-equilibrium collective oscillation as phonon condensation in a model protein

I Nardecchia, J Torres, M Lechelon, V Giliberti… - Physical Review X, 2018 - APS
We describe the activation of out-of-equilibrium collective oscillations of a macromolecule as
a classical phonon condensation phenomenon. If a macromolecule is modeled as an open …

Trends in the research of modern terahertz detectors: plasmon detectors

T Otsuji - IEEE Transactions on Terahertz Science and …, 2015 - ieeexplore.ieee.org
Terahertz (THz) wave detectors include Golay cells, bolometers, pyroelectric detectors,
superconductor tunnel junction detectors (STJs), and Schottky-barrier diodes (SBDs). Of …

Plasmonic HEMT terahertz transmitter based on the Dyakonov-Shur instability: Performance analysis and impact of nonideal boundaries

M Nafari, GR Aizin, JM Jornet - Physical Review Applied, 2018 - APS
The performance of an on-chip Terahertz (THz) source based on the Dyakonov-Shur (DS)
instability is analytically and numerically investigated. The impact of nonideal termination …

Paving the way for tunable graphene plasmonic THz amplifiers

SA Boubanga-Tombet, A Satou, D Yadav, DB But… - Frontiers in …, 2021 - frontiersin.org
This study reviews recent advances in room-temperature coherent amplification of terahertz
(THz) radiation in graphene, electrically driven by a dry cell battery. Our study explores THz …