411 citations · 1.9k across the 28 of their papers we have counts for
9 papers · 1 filter
Tuning the non-linear interactions of hybrid interlayer excitons in bilayer MoS2 via electric fields
Mathias Federolf, Alexander Steinhoff, Monika Emmerling +3
Hybrid interlayer excitons in bilayer MoS2 are a promising platform for nonlinear optics due to their intrinsic dipolar character, which combines in-plane and out-ofplane dipole mo…
Material-realistic modelling of quantum many-body effects in a monolayer TMDC nanolaser device
Joel Buchgeister, Alexander Steinhoff, Daniel Erben +2
The efficient light-matter interaction in combination with the small volume occupied by monolayer transition-metal dichalcogenides (TMDCs) makes this material class a notable optio…
k-resolved ultrafast light-induced band renormalization in monolayer WS on graphene
Niklas Hofmann, Alexander Steinhoff, Razvan Krause +6
Understanding and controlling the electronic properties of two-dimensional materials is crucial for their potential applications in nano- and optoelectronics. Monolayer transition…
In-situ spontaneous emission control of MoSe-WSe interlayer excitons with near-unity quantum yield
Bo Han, Chirag Chandrakant Palekar, Sven Stephan +12
Optical resonators are a powerful platform to control the spontaneous emission dynamics of excitons in solid-state nanostructures. Here, we study a MoSe-WSe van-der-Waals h…
Frequency-dependent substrate screening of excitons in atomically thin transition metal dichalcogenide semiconductors
A. Steinhoff, T. O. Wehling, M. Rösner
Atomically thin layers of transition metal dichalcogenides (TMDCs) exhibit exceptionally strong Coulomb interaction between charge carriers due to the two-dimensional carrier confi…
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…
The dielectric impact of layer distances on exciton and trion binding energies in van der Waals heterostructures
M. Florian, M. Hartmann, A. Steinhoff +6
The electronic and optical properties of monolayer transition-metal dichalcogenides (TMDs) and van der Waals heterostructures are strongly subject to their dielectric environment.…
Excitons versus electron-hole plasma in monolayer transition metal dichalcogenide semiconductors
Alexander Steinhoff, Matthias Florian, Malte Rösner +3
When electron-hole pairs are excited in a semiconductor, it is a priori not clear if they form a fermionic plasma of unbound particles or a bosonic exciton gas. Usually, the excito…
Nonequilibrium Carrier Dynamics in Transition Metal Dichalcogenide Semiconductors
Alexander Steinhoff, Matthias Florian, Malte Rösner +4
When exploring new materials for their potential in (opto)electronic device applications, it is important to understand the role of various carrier interaction and scattering proce…