Optically gated resonant emission of single quantum dots

HS Nguyen, G Sallen, C Voisin, P Roussignol… - Physical review …, 2012 - APS
We report on the resonant emission in coherently driven single semiconductor quantum
dots. We demonstrate that an ultraweak nonresonant laser acts as an optical gate for the …

Addressing the Optical Degradation of 1.3 μm Quantum Dot Lasers through Subthreshold Characterization

M Zenari, M Buffolo, C De Santi, J Norman… - ACS …, 2023 - ACS Publications
We propose a novel methodology capable of separately evaluating the contribution of the
different recombination processes in quantum dot laser diodes (QD LDs) driven below …

[LIBRO][B] Handbook of self assembled semiconductor nanostructures for novel devices in photonics and electronics

M Henini - 2011 - books.google.com
The self-assembled nanostructured materials described in this book offer a number of
advantages over conventional material technologies in a wide range of sectors. World …

Multiple time scale blinking in InAs quantum dot single-photon sources

M Davanço, CS Hellberg, S Ates, A Badolato… - Physical Review B, 2014 - APS
We use photon correlation measurements to study blinking in single, epitaxially grown self-
assembled InAs quantum dots situated in circular Bragg grating and microdisk cavities. The …

Effects of the quantum dot ripening in high-coverage InAs∕ GaAs nanostructures

P Frigeri, L Nasi, M Prezioso, L Seravalli… - Journal of Applied …, 2007 - pubs.aip.org
We report a detailed study of In As∕ Ga As quantum dot (QD) structures grown by molecular
beam epitaxy with InAs coverages θ continuously graded from 1.5 to 2.9 ML. The effect of …

Low temperature characterization of the photocurrent produced by two-photon transitions in a quantum dot intermediate band solar cell

E Antolín, A Marti, CR Stanley, CD Farmer, E Cánovas… - Thin Solid Films, 2008 - Elsevier
Conceived to exceed the conversion efficiency of conventional photovoltaic devices, the
intermediate band solar cell bases its operation on exploiting, besides the usual band-to …

Deep levels in metamorphic InAs/InGaAs quantum dot structures with different composition of the embedding layers

S Golovynskyi, O Datsenko, L Seravalli… - Semiconductor …, 2017 - iopscience.iop.org
Deep levels in metamorphic InAs/In x Ga 1− x As quantum dot (QD) structures are studied
with deep level thermally stimulated conductivity (TSC), photoconductivity (PC) and …

Deep level centers and their role in photoconductivity transients of InGaAs/GaAs quantum dot chains

SV Kondratenko, OV Vakulenko, YI Mazur… - Journal of Applied …, 2014 - pubs.aip.org
The in-plane photoconductivity and photoluminescence are investigated in quantum dot-
chain InGaAs/GaAs heterostructures. Different photoconductivity transients resulting from …

Deep levels in GaAs (001)/InAs/InGaAs/GaAs self-assembled quantum dot structures and their effect on quantum dot devices

T Asano, Z Fang, A Madhukar - Journal of Applied Physics, 2010 - pubs.aip.org
Currently lattice mismatch strain-driven three-dimensional coherent island based quantum
dots, dubbed self-assembled quantum dots (SAQDs), constitute the most developed class of …

Effective phonon bottleneck in the carrier thermalization of InAs/GaAs quantum dots

S Sanguinetti, M Guzzi, E Grilli, M Gurioli… - Physical Review B …, 2008 - APS
We present a detailed study of the dependence of the spectral characteristics of
quasiresonantly excited InAs/GaAs quantum dots on electronic structure, temperature, and …