activity
20242026
collaborators
Showing quant-phShow all

7 papers · 1 filter

quant-ph2026

Towards Stirling cooler operable single-photon sources based on low-noise GaAs quantum dots

Maximilian Aigner, Jana Schlücking, Eva Schöll +15

For photonic quantum technology applications, sources capable of emitting photons with indistinguishability close to unity are essential. Ideally, these sources should not require…

quant-ph2026

Coherent Control of Quantum-Dot Spins with Cyclic Optical Transitions

Zhe Xian Koong, Urs Haeusler, Jan M. Kaspari +14

Solid-state spins are promising as interfaces from stationary qubits to single photons for quantum communication technologies. Semiconductor quantum dots have excellent optical coh…

quant-ph2025

Optical and magnetic response by design in GaAs quantum dots

Christian Schimpf, Ailton J. Garcia, Zhe X. Koong +24

Quantum networking technologies use spin qubits and their interface to single photons as core components of a network node. This necessitates the ability to co-design the magnetic-…

quant-ph2025

Passive Demultiplexed Two-photon State Generation from a Quantum Dot

Yusuf Karli, Iker Avila Arenas, Christian Schimpf +11

High-purity multi-photon states are essential for photonic quantum computing. Among existing platforms, semiconductor quantum dots offer a promising route to scalable and determini…

quant-ph2024

Robust Single-Photon Generation for Quantum Information Enabled by Stimulated Adiabatic Rapid Passage

Yusuf Karli, René Schwarz, Florian Kappe +11

The generation of single photons using solid-state quantum emitters is pivotal for advancing photonic quantum technologies, particularly in quantum communication. As the field cont…

quant-ph2024

Towards Photon-Number-Encoded High-dimensional Entanglement from a Sequentially Excited Quantum Three-Level System

Daniel A. Vajner, Nils D. Kewitz, Martin von Helversen +9

The sequential resonant excitation of a 2-level quantum system results in the emission of a state of light showing time-entanglement encoded in the photon-number-basis - notions th…