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 …

[HTML][HTML] Large stark tuning of InAs/InP quantum dots

S Aghaeimeibodi, CM Lee, MA Buyukkaya… - Applied Physics …, 2019 - pubs.aip.org
InAs/InP quantum dots are excellent sources of telecom single-photon emission and are
among the most promising candidates for scalable quantum photonic circuits. However …

Quantum theory of electroabsorption in semiconductor nanocrystals

NV Tepliakov, MY Leonov, AV Baranov, AV Fedorov… - Optics …, 2016 - opg.optica.org
We develop a simple quantum-mechanical theory of interband absorption by semiconductor
nanocrystals exposed to a dc electric field. The theory is based on the model of …

Field-induced broadening of electroabsorption spectra of semiconductor nanorods and nanoplatelets

NV Tepliakov, IO Ponomareva… - The Journal of …, 2016 - ACS Publications
We theoretically study the broadening of optical absorption spectra of monodisperse
ensembles of randomly oriented nanorods and nanoplatelets exposed to a static electric …

Magnetic tuning of tunnel coupling between InAsP double quantum dots in InP nanowires

J Phoenix, M Korkusinski, D Dalacu, PJ Poole… - Scientific Reports, 2022 - nature.com
We study experimentally and theoretically the in-plane magnetic field dependence of the
coupling between dots forming a vertically stacked double dot molecule. The InAsP …

Effect of gate voltage on Kerr nonlinearity in a dielectric slab doped with InAs/GaAs double-quantum-dot molecules

AH Gharamaleki, S Kevin - Optical and Quantum Electronics, 2024 - Springer
The study examines the linear absorption and third-order nonlinear dispersion properties of
a dielectric slab doped with asymmetric InAs/GaAs double-quantum-dot molecules …

Unusual electric field-induced optical behaviors in cesium lead bromide perovskites

S Xia, Z Wang, Y Ren, Z Gu, Y Wang - Applied Physics Letters, 2019 - pubs.aip.org
The electric field effect on the optical properties of semiconductors is important in terms of
both fundamental physics and technological applications. Here, we explored the optical …

Two-photon absorption by a quantum dot pair

M Scheibner, SE Economou, IV Ponomarev… - Physical Review B, 2015 - APS
The biexciton absorption spectrum of a pair of InAs/GaAs quantum dots is being studied by
photoluminescence excitation spectroscopy. An absorption resonance with the …

The effect of Woods–Saxon potential on envelope function, intersubband dispersion curves and group velocity of InAs/GaAs quantum dots with wetting layer

A Khaledi-Nasab, M Sabaeian, M Sahrai… - Physica E: Low …, 2014 - Elsevier
In this study, one band Schrödinger equation for InAs/GaAs quantum dots coupled to their
wetting layer was solved numerically by using a finite element method (FEM). We have …

Entanglement dynamics of molecular exciton states in coupled quantum dots

C Jennings, M Scheibner - Physical Review B, 2016 - APS
We theoretically model the electronic dynamics of a coupled quantum dot pair in a static
electric field. We then investigate the possibility of polarization-entangled photon emission …