Electronic and optical properties of semiconductor and graphene quantum dots

W Sheng, M Korkusinski, AD Güçlü, M Zielinski… - Frontiers of …, 2012 - Springer
Our recent work on the electronic and optical properties of semiconductor and graphene
quantum dots is reviewed. For strained self-assembled InAs quantum dots on GaAs or InP …

Fine structure and size dependence of exciton and biexciton optical spectra in CdSe nanocrystals

M Korkusinski, O Voznyy, P Hawrylak - Physical Review B—Condensed Matter …, 2010 - APS
Theory of electronic and optical properties of exciton and biexciton complexes confined in
CdSe spherical nanocrystals is presented. The electron and hole states are computed using …

Coherent control of a high-orbital hole in a semiconductor quantum dot

JY Yan, C Chen, XD Zhang, YT Wang, HG Babin… - Nature …, 2023 - nature.com
Coherently driven semiconductor quantum dots are one of the most promising platforms for
non-classical light sources and quantum logic gates which form the foundation of photonic …

Structural and optical properties of InAs/(In) GaAs/GaAs quantum dots with single-photon emission in the telecom C-band up to 77 K

C Carmesin, F Olbrich, T Mehrtens, M Florian… - Physical Review B, 2018 - APS
We present a combined experimental and theoretical study of InAs/InGaAs/GaAs quantum
dots capable of single photon emission in the technologically important telecom C-band for …

Atomistic theory of electronic and optical properties of InAsP/InP nanowire quantum dots

M Cygorek, M Korkusinski, P Hawrylak - Physical Review B, 2020 - APS
We present here an atomistic theory of the electronic and optical properties of hexagonal
InAsP quantum dots in InP nanowires in the wurtzite phase. These self-assembled quantum …

Microscopic design of a synthetic spin-1 chain in an InAsP quantum dot array

J Manalo, D Miravet, P Hawrylak - Physical Review B, 2024 - APS
We present here the steps enabling the microscopic design of a synthetic spin-1 chain in an
InAsP quantum dot (QD) array embedded in an InP nanowire. The chain is described by a …

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 …

Bright trion emission from semiconductor nanoplatelets

L Peng, M Otten, A Hazarika, I Coropceanu… - Physical Review …, 2020 - APS
The trion, a quasiparticle comprising one exciton and an additional charge carrier, offers
unique opportunities for generating spin-photon interfaces that can be used in developing …

Excitonic structure and pumping power dependent emission blue-shift of type-II quantum dots

P Klenovský, P Steindl, D Geffroy - Scientific Reports, 2017 - nature.com
In this work we study theoretically and experimentally the multi-particle structure of the so-
called type-II quantum dots with spatially separated electrons and holes. Our calculations …

Microscopic theory of the optical properties of colloidal graphene quantum dots

I Ozfidan, M Korkusinski, AD Güçlü, JA McGuire… - Physical Review B, 2014 - APS
We present a microscopic theory of electronic and optical properties of colloidal graphene
quantum dots (CGQDs). The single-particle properties are described in the tight-binding …