High electron mobility in strained GaAs nanowires

L Balaghi, S Shan, I Fotev, F Moebus, R Rana… - Nature …, 2021 - nature.com
Transistor concepts based on semiconductor nanowires promise high performance, lower
energy consumption and better integrability in various platforms in nanoscale dimensions …

Advancement in carbon nanotubes optoelectronic devices for terahertz and infrared applications

Y Wang, G Sun, X Zhang, X Zhang… - Advanced Electronic …, 2024 - Wiley Online Library
Benefiting from the outstanding optical, thermal, electrical, and mechanical properties,
carbon nanotubes (CNTs) hold significant potential in the fields of materials, physics …

Challenging Kubo-Greenwood Theory: Nonunitarian Dynamics Reshapes THz Conductivity and Transport in Nanosystems

MT Quick, AW Achtstein - The Journal of Physical Chemistry C, 2023 - ACS Publications
Kubo-Greenwood theory of the frequency-dependent conductivity in nanosystems lacks a
general treatment of nonunitarian system dynamics, ie, population decay and dephasing …

Ultrafast and low-threshold THz mode switching of two-dimensional nonlinear metamaterials

BJ Kang, D Rohrbach, FDJ Brunner, S Bagiante… - Nano …, 2022 - ACS Publications
Judiciously designed two-dimensional THz metamaterials consisting of resonant metallic
structures embedded in a dielectric environment locally enhance the electromagnetic field of …

The effect of hydrostatic pressure, temperature and impurity factor on linear and nonlinear optical properties of InxGa1-xAs tuned quantum dot with modified Gaussian …

S Kumar, M Kumar, N Deopa, A Kumar - Optik, 2024 - Elsevier
This study presents a detailed theoretical analysis of the effects of hydrostatic pressure,
temperature, impurity factors, and external electric fields on the optical properties of In x Ga 1 …

THz response of charge carriers in nanoparticles: Microscopic master equations reveal an unexplored equilibration current and nonlinear mobility regimes

MT Quick, Q Wach, N Owschimikow… - Advanced Photonics …, 2023 - Wiley Online Library
Herein, the THz mobility of charge carriers in low‐dimensional semiconductors based on a
density matrix approach involving master equations for population and polarization …

Field-dependent THz transport nonlinearities in semiconductor nano structures

Q Wach, MT Quick, S Ayari… - Physical Chemistry …, 2024 - pubs.rsc.org
Charge transport nonlinearities in semiconductor quantum dots and nanorods are studied.
Using a density matrix formalism, we retrieve the field-dependent nonlinear mobility and …

[HTML][HTML] Enhanced terahertz nonlinear response of GaAs by the tight field confinement in a nanogap

D Kim, DS Kim, G Choi - APL Photonics, 2023 - pubs.aip.org
We demonstrated that an incident terahertz peak field amplitude below 0.01 MV/cm can
trigger Zener tunneling in a semi-insulating GaAs. Moreover, a transmission decrease with …

High-field THz pulses from a GaAs photoconductive emitter for non-linear THz studies

A Singh, J Li, A Pashkin, R Rana, S Winnerl, M Helm… - Optics …, 2021 - opg.optica.org
We report the emission of high-field terahertz pulses from a GaAs large-area
photoconductive emitter pumped with a Ti: Sapphire amplifier laser system at 800 nm …

Effects of impurity factor on the physical and transport properties for Ga1-xAlxAs quantum wire in the presence of Rashba spin-orbit interaction

R Sharma, M Kumar - Physica B: Condensed Matter, 2022 - Elsevier
There is a need to get familiarized with a systematic and precise approach to study the
energy dispersion and ballistic conductance in a Ga 1-x Al x As quantum wire. We have …