Interfacing quantum emitters with propagating surface acoustic waves

M Weiß, HJ Krenner - Journal of Physics D: Applied Physics, 2018 - iopscience.iop.org
In this topical review, we report on recent advances on the coupling of single semiconductor
quantum emitters, quantum dots, to the dynamic strain and electric fields of surface acoustic …

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 …

Theory of valence-band holes as Luttinger spinors in vertically coupled quantum dots

JI Climente, M Korkusinski, G Goldoni… - Physical Review B …, 2008 - APS
We describe the valence-band holes of quantum dot molecules formed by two vertically
coupled disks, using a four-band k⋅ p Hamiltonian. It is shown that the strong spin-orbit …

Quantum kinetic theory of phonon-assisted excitation transfer in quantum dot molecules

E Rozbicki, P Machnikowski - Physical review letters, 2008 - APS
We present a quantum-kinetic theory of the excitation transfer in a quantum dot molecule.
We derive the consistent Markovian limit for the system kinetics, which leads to a description …

Phonon-induced electron relaxation in weakly confined single and coupled quantum dots

JI Climente, A Bertoni, G Goldoni, E Molinari - Physical Review B—Condensed …, 2006 - APS
We investigate charge relaxation rates due to acoustic phonons in weakly confined quantum
dot systems, including both deformation potential and piezoelectric field interactions. Single …

Phonon-assisted relaxation and tunneling in self-assembled quantum dot molecules

K Gawarecki, M Pochwała, A Grodecka–Grad… - Physical Review B …, 2010 - APS
We study theoretically phonon-assisted relaxation processes in a system consisting of one
or two electrons confined in two vertically stacked self-assembled quantum dots. The …

Negative circular polarization as a general property of -doped self-assembled quantum dots under nonresonant optical excitation

S Laurent, M Senes, O Krebs, VK Kalevich… - Physical Review B …, 2006 - APS
We report optical orientation experiments performed under circularly polarized, nonresonant
excitation in n-doped quantum dot ensembles with an average number of resident electrons …

Direct observation of acoustic phonon mediated relaxation between coupled exciton states in a single quantum dot molecule

T Nakaoka, EC Clark, HJ Krenner, M Sabathil… - Physical Review B …, 2006 - APS
We probe acoustic phonon mediated relaxation between tunnel coupled exciton states in an
individual quantum dot molecule in which the interdot quantum coupling and energy …

Tunable exciton relaxation in vertically coupled semiconductor InAs quantum dots

KC Wijesundara, JE Rolon, SE Ulloa, AS Bracker… - Physical Review B …, 2011 - APS
Tunable exciton relaxation rates are observed in individual vertically coupled semiconductor
quantum dots (CQDs). An applied electric field is used to tune the energy difference …

Structural and optical properties of vertically stacked triple InAs dot-in-well structure

G Rainò, A Salhi, V Tasco, M De Vittorio… - Journal of Applied …, 2008 - pubs.aip.org
The authors report a detailed investigation of the structural and optical properties of vertically
stacked InAs quantum dots embedded in an (In, Ga) As quantum well by means of …