Exciton radiative lifetime in transition metal dichalcogenide monolayers

C Robert, D Lagarde, F Cadiz, G Wang, B Lassagne… - Physical review B, 2016 - APS
We have investigated the exciton dynamics in transition metal dichalcogenide monolayers
using time-resolved photoluminescence experiments performed with optimized time …

Radiative decay rate of excitons in square quantum wells: Microscopic modeling and experiment

ES Khramtsov, PA Belov, PS Grigoryev… - Journal of applied …, 2016 - pubs.aip.org
The binding energy and the corresponding wave function of excitons in GaAs-based finite
square quantum wells (QWs) are calculated by the direct numerical solution of the three …

Energy spectrum of excitons in square quantum wells

PA Belov - Physica E: Low-dimensional systems and …, 2019 - Elsevier
Energies of the ground and excited states of excitons in GaAs/AlGaAs and InGaAs/GaAs
finite square quantum wells (QWs) of various widths are calculated. This is achieved by …

Excitonic sensor of electric field in quantum-well heterostructures

MA Chukeev, S Zheng, ES Khramtsov, IV Ignatiev… - Physical Review B, 2024 - APS
We present an experimental and theoretical study of the lowest exciton states in a 30-nm
single GaAs quantum-well heterostructure in different electric fields. We found that the …

Homogeneous linewidth broadening and exciton dephasing mechanism in

S Koirala, S Mouri, Y Miyauchi, K Matsuda - Physical Review B, 2016 - APS
Spectroscopic studies of mechanically exfoliated monolayer MoT e 2 were performed over a
wide temperature range from 4.2 to 300 K. At a low temperature, the photoluminescence …

Linewidths and energy shifts of electron-impurity resonant states in quantum wells with infinite barriers

PA Belov - Physical Review B, 2022 - APS
The linewidths and the energy shifts of the resonant states of the impurity electron in GaAs-
based quantum wells (QWs) with infinite barriers are calculated. The two-dimensional …

Excitons in asymmetric quantum wells

PS Grigoryev, AS Kurdyubov, MS Kuznetsova… - Superlattices and …, 2016 - Elsevier
Resonance dielectric response of excitons is studied for the high-quality InGaAs/GaAs
heterostructures with wide asymmetric quantum wells (QWs). To highlight effects of the QW …

Monolayer indium selenide: an indirect bandgap material exhibits efficient brightening of dark excitons

NT Paylaga, CT Chou, CC Lin, T Taniguchi… - npj 2D Materials and …, 2024 - nature.com
Atomically thin indium selenide (InSe) exhibits a sombrero-like valence band, leading to
distinctive excitonic behaviors. It is known that the indirect band gap of atomically thin InSe …

Optical control of a dark exciton reservoir

AS Kurdyubov, AV Trifonov, IY Gerlovin, BF Gribakin… - Physical Review B, 2021 - APS
Optically inactive or dark excitons play an important role in exciton and polariton devices. On
one hand, they supply excitons to the light cone and feed the photoluminescence signal. On …

Exciton spectroscopy of optical reflection from wide quantum wells

ES Khramtsov, PS Grigoryev, DK Loginov, IV Ignatiev… - Physical Review B, 2019 - APS
Optical spectroscopy of resonant reflection has been used for both experimental and
theoretical studies of the exciton-light interaction in wide, high-quality quantum-well …