69 citations · 319 across the 16 of their papers we have counts for
16 papers
From NISQ to Fault-Tolerance: Applications and Algorithmic Benchmarks for Spin Qubits
Frederik Lohof, Florian Ginzel, Wolfgang Lechner
Motivated by recent breakthroughs in the development of spin-based quantum processing units based on exchange-only (EO) spin qubits, we provide a roadmap for the implementation of…
Connection between memory performance and optical absorption in quantum reservoir computing
Niclas Götting, Steffen Wilksen, Alexander Steinhoff +2
The fading memory property is a key requirement for reservoir computers -- a specific type of recurrent neural network with fixed internal weights. While mostly undesired in gate-b…
Gate-based protocol simulations for quantum repeaters using quantum-dot molecules in switchable electric fields
Steffen Wilksen, Frederik Lohof, Isabell Willmann +6
Electrically controllable quantum-dot molecules (QDMs) are a promising platform for deterministic entanglement generation and, as such, a resource for quantum-repeater networks. We…
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…
Signatures of superradiance as a witness to multipartite entanglement
Frederik Lohof, Daniel Schumayer, David A. W. Hutchinson +1
Generation and detection of entanglement is at the forefront of most quantum information technologies. There is a plethora of techniques that reveal entanglement on the basis of on…
Confined-state physics and signs of fermionization of moiré excitons in WSe/MoSe heterobilayers
Frederik Lohof, Johannes Michl, Alexander Steinhoff +10
We revisit and extend the standard bosonic interpretation of interlayer excitons in the moiré potential of twisted heterostructures of transition-metal dichalcogenides. In our expe…
Exploring quantum mechanical advantage for reservoir computing
Niclas Götting, Frederik Lohof, Christopher Gies
Quantum reservoir computing is an emerging field in machine learning with quantum systems. While classical reservoir computing has proven to be a capable concept of enabling machin…
Multipartite entanglement generation in coupled microcavity arrays
Marc Bostelmann, Steffen Wilksen, Frederik Lohof +1
We consider photonic arrays made from quantum emitters in optically coupled microcavities as a platform for entanglement generation. These offer a large degree of tunability with t…
Revisiting the Siegert relation for the partially coherent regime of nanolasers
Monty Drechsler, Frederik Lohof, Christopher Gies
The Siegert relation connects the first- and second-order coherence properties of light. While strictly valid only in the thermal regime and in the absence of correlations, this re…
Quantum fluctuations and lineshape anomaly in a high- silver-coated InP-based metallic nanolaser
A. Koulas-Simos, J. Buchgeister, M. Drechsler +12
Metallic nanocavity lasers provide important technological advancement towards even smaller integrable light sources. They give access to widely unexplored lasing physics in which…
Moiré-Bose-Hubbard model for interlayer excitons in twisted transition metal dichalcogenide heterostructures
N. Götting, F. Lohof, C. Gies
In bilayers of semiconducting transition metal dichalcogenides, the twist angle between layers can be used to introduce a highly regular periodic potential modulation on a length s…
Intrinsic circularly-polarized exciton emission in a twisted van-der-Waals heterostructure
J. Michl, S. A. Tarasenko, F. Lohof +12
The investigation of excitons in van-der-Waals heterostructures has led to profound insights into the interplay of crystal symmetries and fundamental effects of light-matter coupli…
Thresholdless transition to coherent emission at telecom wavelengths from coaxial nanolasers
Soren Kreinberg, Kaisa Laiho, Frederik Lohof +5
The ongoing miniaturization of semiconductor lasers has enabled ultra-low threshold devices and even provided a path to approach thresholdless lasing with linear input-output chara…
Prospects and limitations of transition-metal dichalcogenide laser gain materials
Frederik Lohof, Alexander Steinhoff, Michael Lorke +4
Nanolasers operate with a minimal amount of active material and low losses. In this regime, single layers of transition-metal dichalcogenides (TMDs) are being investigated as next…
Delayed transition to coherent emission in nanolasers with extended gain media
Frederik Lohof, Roy Barzel, Paul Gartner +1
The realization of high- lasers is one of the prime applications of cavity-QED promising ultra-low thresholds, integrability and reduced power consumption in the field of \texti…
On thresholdless lasing features in high- nitride nanobeam cavities: a quantum optical study
Stefan T. Jagsch, Noelia Vico Triviño, Frederik Lohof +11
Exploring the limits of spontaneous emission coupling is not only one of the central goals in the development of nanolasers, it is also highly relevant regarding future large-scale…