Graphene-based terahertz optoelectronics

Q Zhou, Q Qiu, Z Huang - Optics & Laser Technology, 2023 - Elsevier
Graphene is a new material with a single-layer two-dimensional (2D) honeycomb lattice
structure. It has excellent optical, electrical and mechanical properties, and it is closely …

Graphene-based antennas for terahertz systems: A review

D Correas-Serrano, JS Gomez-Diaz - arXiv preprint arXiv:1704.00371, 2017 - arxiv.org
We review the use of graphene to develop reconfigurable, miniaturized, and efficient
terahertz (THz) antennas and associated feeding networks, and attempt to identify current …

Terahertz wave generation and detection in double-graphene layered van der Waals heterostructures

D Yadav, SB Tombet, T Watanabe… - Graphene-Based …, 2020 - taylorfrancis.com
This chapter reports on the first experimental observation of terahertz emission and
detection in a double graphene layered (GL) heterostructure which comprises a thin …

[HTML][HTML] Graphene-hexagonal boron nitride resonant tunneling diodes as high-frequency oscillators

J Gaskell, L Eaves, KS Novoselov… - Applied Physics …, 2015 - pubs.aip.org
We assess the potential of two-terminal graphene-hexagonal boron nitride-graphene
resonant tunneling diodes as high-frequency oscillators, using self-consistent quantum …

Negative terahertz conductivity and amplification of surface plasmons in graphene–black phosphorus injection laser heterostructures

V Ryzhii, T Otsuji, M Ryzhii, AA Dubinov, VY Aleshkin… - Physical Review B, 2019 - APS
We propose and evaluate the heterostructure based on the graphene layer (GL) with the
lateral electron injection from the side contacts and the hole vertical injection via the black …

Terahertz lasing in ensemble of asymmetric quantum dots

IY Chestnov, VA Shahnazaryan, AP Alodjants… - Acs …, 2017 - ACS Publications
We propose a scheme of terahertz laser based on an ensemble of asymmetric quantum dots
dressed by an intense electromagnetic field. THz emission originates from the transitions at …

Plasmons in tunnel-coupled graphene layers: Backward waves with quantum cascade gain

D Svintsov, Z Devizorova, T Otsuji… - … Terahertz Electronics and …, 2020 - taylorfrancis.com
This chapter theoretically demonstrates that graphene-insulator-graphene tunnel structures
can serve as plasmonic gain media due to the possibility of stimulated electron tunneling …

Tunable terahertz structure based on graphene hyperbolic metamaterials

T Gric - Optical and Quantum Electronics, 2019 - Springer
Photoexcited graphene can behave as the gain medium aiming to come up with the
coherent radiation at low THz spectral region. However, its response is very weak because …

Time resolved photoluminescence spectroscopy of narrow gap Hg1− xCdxTe/CdyHg1− yTe quantum well heterostructures

SV Morozov, VV Rumyantsev, AV Antonov… - Applied Physics …, 2014 - pubs.aip.org
Photoluminescence (PL) spectra and kinetics of narrow gap Hg 1− x Cd x Te/Cd y Hg 1− y
Te quantum well (QW) heterostructures grown by molecular beam epitaxy technique are …

Infrared photodetection in graphene-based heterostructures: bolometric and thermoelectric effects at the tunneling barrier

DA Mylnikov, MA Kashchenko, KN Kapralov… - npj 2D Materials and …, 2024 - nature.com
Graphene/hBN/graphene tunnel devices offer promise as sensitive mid-infrared
photodetectors but the microscopic origin underlying the photoresponse in them remains …