Remote phonon control of quantum dots and other artificial atoms

D Wigger, K Gawarecki… - Advanced Quantum …, 2021 - Wiley Online Library
To exploit the full potential of chips for quantum technologies, it is worth considering all
possible opportunities offered by the solid state. The aspect covered in this article is the use …

Droplet epitaxy symmetric InAs/InP quantum dots for quantum emission in the third telecom window: morphology, optical and electronic properties

P Holewa, S Kadkhodazadeh, M Gawełczyk… - …, 2022 - degruyter.com
The rapidly developing quantum communication technology requires deterministic quantum
emitters that can generate single photons and entangled photon pairs in the third telecom …

Symmetry breaking via alloy disorder to explain radiative Auger transitions in self-assembled quantum dots

K Gawarecki, C Spinnler, L Zhai, GN Nguyen, A Ludwig… - Physical Review B, 2023 - APS
The optical spectrum of a quantum dot is typically dominated by the fundamental transition
between the lowest-energy configurations. However, the radiative Auger process can result …

Optical and electronic properties of low-density InAs/InP quantum-dot-like structures designed for single-photon emitters at telecom wavelengths

P Holewa, M Gawełczyk, C Ciostek, P Wyborski… - Physical Review B, 2020 - APS
Due to their band-structure and optical properties, InAs/InP quantum dots (QDs) constitute a
promising system for single-photon generation at the third telecom window of silica fibers …

Hyperfine interaction for holes in quantum dots: model

P Machnikowski, K Gawarecki, Ł Cywiński - Physical Review B, 2019 - APS
We formulate the multiband k· p theory of hyperfine interactions for semiconductor
nanostructures in the envelope function approximation. We apply this theoretical description …

Novel dopant-free ferromagnetic Mott-like insulator and high-energy correlated-plasmons in unconventional strongly correlated s band of low-dimensional gold

MA Naradipa, AD Fauzi, BL Ong, MA Majidi… - Applied Physics …, 2024 - pubs.aip.org
Ferromagnetic insulators and plasmons have attracted a lot of interest due to their rich
fundamental science and applications. Recent research efforts have been made to find …

Optical and Electronic Properties of Symmetric Quantum Dots Formed by Ripening in Molecular Beam Epitaxy: A Potential System for Broad …

P Holewa, M Gawełczyk, A Maryński, P Wyborski… - Physical Review …, 2020 - APS
We present a detailed experimental optical study supported by theoretical modeling of In As
quantum dots (QDs) embedded in an (In, Al, Ga) As barrier lattice matched to In P (001) …

Electron g-factor in nanostructures: continuum media and atomistic approach

K Gawarecki, M Zieliński - Scientific Reports, 2020 - nature.com
We report studies of k-dependent Landé g-factor, performed by both continuous media
approximation k· p method, and atomistic tight-binding sp 3 d 5 s∗ approach. We propose …

Excitonic complexes in MOCVD-grown InGaAs/GaAs quantum dots emitting at telecom wavelengths

P Mrowiński, A Musiał, K Gawarecki, Ł Dusanowski… - Physical Review B, 2019 - APS
Hereby, we present a comprehensive experimental and theoretical study of the electronic
structure and optical properties of excitonic complexes in strain-engineered InGaAs/GaAs …

Spin rotation by resonant electric field in few-level quantum dots: Floquet dynamics and tunneling

DV Khomitsky, EA Lavrukhina, EY Sherman - Physical Review Applied, 2020 - APS
We study electric dipole spin resonance caused by subterahertz radiation in a multilevel
finite-size quantum dot formed in a nanowire, focusing on the range of driving electric field …