146 citations · 362 across the 6 of their papers we have counts for
6 papers
Phonon-assisted inter-valley scattering determines ultrafast exciton dynamics in MoSe bilayers
Sophia Helmrich, Kevin Sampson, Di Huang +10
While valleys (energy extrema) are present in all band structures of solids, their preeminent role in determining exciton resonances and dynamics in atomically thin transition meta…
Feedback induced locking in semiconductor lasers with strong amplitude-phase coupling
Jan Hausen, Bastian Herzog, Alexander Nelde +3
The influence of optical feedback on semiconductor lasers has been a widely studied field of research due to fundamental interests as well as the optimization of optical data trans…
High phonon-limited mobility of charged and neutral excitons in mono- and bilayer MoTe2
Sophia Helmrich, Alexander W. Achtstein, Hery Ahmad +5
We analyze the lineshape of the quasiparticle photoluminescence of monolayer and bilayer molybdenum ditelluride in temperature- and excitation intensity-dependent experiments. We c…
Tuning intraband and interband transition rates via excitonic correlation in low-dimensional semiconductors
Josep Planelles, Alexander W. Achtstein, Riccardo Scott +2
We show that electron-hole correlation can be used to tune interband and intraband optical transition rates in semiconductor nanostructures with at least one weakly confined direct…
Biexciton fine structure in monolayer transition metal dichalcogenides
Alexander Steinhoff, Matthias Florian, Akshay Singh +8
The optical properties of atomically thin transition metal dichalcogenide (TMDC) semiconductors are shaped by the emergence of correlated many-body complexes due to strong Coulomb…
Long-Lived Valley Polarization of Intra-Valley Trions in Monolayer WSe2
Akshay Singh, Kha Tran, Mirco Kolarczik +9
We investigate valley dynamics associated with trions in monolayer tungsten diselenide (WSe2) using polarization resolved two-color pump-probe spectroscopy. When tuning the pump an…