Self‐assembled InAs/GaAs coupled quantum dots for photonic quantum technologies

C Jennings, X Ma, T Wickramasinghe… - Advanced Quantum …, 2020 - Wiley Online Library
Coupled quantum dots (CQDs) that consist of two InAs QDs stacked along the growth
direction and separated by a relatively thin tunnel barrier have been the focus of extensive …

Control of the orbital character of indirect excitons in heterobilayers

J Kiemle, F Sigger, M Lorke, B Miller, K Watanabe… - Physical Review B, 2020 - APS
Valley selective hybridization and residual coupling of electronic states in commensurate
van der Waals (vdW) heterobilayers enable the control of the orbital character of interlayer …

Atomistic simulations of laser-controlled exciton transfer and stabilization in symmetric double quantum dots

P Krause, JC Tremblay, A Bande - The Journal of Physical …, 2021 - ACS Publications
The creation, transfer, and stabilization of localized excitations are studied in a donor–
acceptor Frenkel exciton model in an atomistic treatment of reduced-size double quantum …

Bright Electrically Controllable Quantum‐Dot‐Molecule Devices Fabricated by In Situ Electron‐Beam Lithography

J Schall, M Deconinck, N Bart, M Florian… - Advanced Quantum …, 2021 - Wiley Online Library
Self‐organized semiconductor quantum dots represent almost ideal two‐level systems,
which have strong potential to applications in photonic quantum technologies. For instance …

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 …

Spin-orbit coupling and magnetic-field dependence of carrier states in a self-assembled quantum dot

K Gawarecki - Physical Review B, 2018 - APS
In this work, we investigate the influence of spin-orbit coupling on the magnetic-field
dependence of carrier states in a self-assembled quantum dot. The electron and hole …

Inter-Coulombic decay in laterally arranged quantum dots controlled by polarized lasers

A Haller, D Peláez, A Bande - The Journal of Physical Chemistry …, 2019 - ACS Publications
The inter-Coulombic decay (ICD) process, where one electronically excited species relaxes
while the neighboring one is concomitantly ionized, has been recently discovered likewise …

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 …

Controlled Coherent Coupling in a Quantum Dot Molecule Revealed by Ultrafast Four-Wave Mixing Spectroscopy

D Wigger, J Schall, M Deconinck, N Bart… - ACS …, 2023 - ACS Publications
Semiconductor quantum dot molecules are considered promising candidates for quantum
technological applications due to their wide tunability of optical properties and coverage of …

Atomistic theory of excitonic fine structure in InAs/InP nanowire quantum dot molecules

M Świderski, M Zieliński - Physical Review B, 2017 - APS
Nanowire quantum dots have peculiar electronic and optical properties. In this work we use
atomistic tight binding to study excitonic spectra of artificial molecules formed by a double …