Author pages are created from data sourced from our academic publisher partnerships and public sources.

Publications Influence

Share This Author

Comparison of different concurrences characterizing photon pairs generated in the biexciton cascade in quantum dots coupled to microcavities

- M. Cygorek, F. Ungar,
+4 authors T. Kuhn - PhysicsPhysical Review B
- 7 December 2017

We compare three different notions of concurrence to measure the polarization entanglement of two-photon states generated by the biexciton cascade in a quantum dot embedded in a microcavity. We focus… Expand

Phonon-Induced Enhancement of Photon Entanglement in Quantum Dot-Cavity Systems.

- T. Seidelmann, F. Ungar,
+4 authors T. Kuhn - PhysicsPhysical review letters
- 13 February 2019

TLDR

From strong to weak temperature dependence of the two-photon entanglement resulting from the biexciton cascade inside a cavity

- T. Seidelmann, F. Ungar,
+4 authors V. M. Axt - PhysicsPhysical Review B
- 5 February 2019

We investigate the degree of entanglement quantified by the concurrence of photon pairs that are simultaneously emitted in the biexciton-exciton cascade from a quantum dot in a cavity. Four… Expand

On-demand generation of higher-order Fock states in quantum-dot–cavity systems

- M. Cosacchi, J. Wiercinski,
+4 authors V. M. Axt - Physics
- 25 June 2020

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-order Fock states in… Expand

Swing-Up of Quantum Emitter Population Using Detuned Pulses

- Thomas K. Bracht, M. Cosacchi,
+5 authors D. Reiter - EconomicsPRX Quantum
- 19 November 2021

Thomas K. Bracht,1 Michael Cosacchi,2 Tim Seidelmann,2 Moritz Cygorek,3 Alexei Vagov,2, 4 V. Martin Axt,2 Tobias Heindel,5 and Doris E. Reiter1 Institut für Festkörpertheorie, Universität Münster,… Expand

Time-dependent switching of the photon entanglement type using a driven quantum emitter–cavity system

- T. Seidelmann, D. Reiter, M. Cosacchi, M. Cygorek, A. Vagov, V. M. Axt
- PhysicsApplied Physics Letters
- 1 April 2021

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 quantum technologies.… Expand

Schrödinger cat states in quantum-dot-cavity systems

- M. Cosacchi, T. Seidelmann,
+4 authors V. M. Axt - Physics
- 23 December 2020

A Schrödinger-cat state is a coherent superposition of macroscopically distinguishable quantum states, in quantum optics usually realized as superposition of coherent states. Protocols to prepare… Expand

Different Types of Photon Entanglement from a Constantly Driven Quantum Emitter Inside a Cavity

- T. Seidelmann, M. Cosacchi, M. Cygorek, D. Reiter, A. Vagov, V. M. Axt
- PhysicsAdvanced Quantum Technologies
- 24 August 2020

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 Bell state… Expand

Accuracy of the Quantum Regression Theorem for Photon Emission from a Quantum Dot.

- M. Cosacchi, T. Seidelmann, M. Cygorek, A. Vagov, D. Reiter, V. M. Axt
- PhysicsPhysical review letters
- 24 March 2021

TLDR

Optical Stark shift to control the dark exciton occupation of a quantum dot in a tilted magnetic field

- M. Neumann, F. Kappe,
+5 authors D. Reiter - PhysicsPhysical Review B
- 25 May 2021

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 prepare and control… Expand

...

1

2

3

...