55 citations · 107 across the 4 of their papers we have counts for
9 papers
The optical Stark shift to control the dark exciton occupation of a quantum dot in a tilted magnetic field
Miriam Neumann, Florian Kappe, Thomas K. Bracht +5
When a detuned and strong laser pulse acts on an optical transition, a Stark shift of the corresponding energies occurs. We analyze how this optical Stark effect can be used to pre…
Time-dependent switching of the photon entanglement type using a driven quantum emitter-cavity system
Tim Seidelmann, Doris E. Reiter, Michael Cosacchi +3
The cascaded decay in a four-level quantum emitter is a well established mechanism to generate polarization entangled photon pairs, the building blocks of many applications in quan…
Proton dynamics in high-pressure ice-VII from density functional theory
Florian Trybel, Michael Cosacchi, Thomas Meier +2
Using a density-functional-theory-based approach, we explore the symmetrization and proton dynamics in ice-VII, for which recent high-pressure NMR experiments indicate significant…
Schrödinger cats in quantum-dot--cavity systems
M. Cosacchi, T. Seidelmann, J. Wiercinski +4
A Schrödinger-cat state is a coherent superposition of macroscopically distinguishable quantum states, in quantum optics usually realized as superposition of coherent states. Proto…
Different types of photon entanglement from a constantly driven quantum emitter inside a cavity
Tim Seidelmann, Michael Cosacchi, Moritz Cygorek +3
Bell states are the most prominent maximally entangled photon states. In a typical four-level emitter, like a semiconductor quantum dot, the photon states exhibit only one type of…
On-demand generation of higher-order Fock states in quantum-dot--cavity systems
M. Cosacchi, J. Wiercinski, T. Seidelmann +4
The on-demand preparation of higher-order Fock states is of fundamental importance in quantum information sciences. We propose and compare different protocols to generate higher-or…