Experimental Quantum Optics
and Photonics Group


Latest News

Spontaneously Sliding Multipole Spin Density Waves in Cold Atoms.

Spontaneously Sliding Multipole Spin Density Waves in Cold Atoms reported in Physical Review Letters

Generating Multiparticle Entangled States by Self-Organization.

Generating Multiparticle Entangled States by Self-Organization of Driven Ultracold Atoms reported in Physical Review Letters

Review: Self-Organization in Cold Atoms Mediated by Diffractive Coupling.

Review on self-organization with single-mirror feedback “Self-Organization in Cold Atoms Mediated by Diffractive Coupling” in atoms

MSCA-ETN ColOpt funded.

Thorsten Ackemann coordinates MSCA-European Training Network ColOpt (Collective Effects and Optomechanics in Ultra-cold Matter)

Observation of self-organized hexagons via optomechanically nonlinearities.

Observation of self-organized hexagons via optomechanically nonlinearities reported in Nature Photonics, see News Release and coverage in Optics & Photonics News.

Recent publications

Speeding Up Quantum Measurement Using Space-Time Trade-Off
Physical Review Letters 134, 080801 (2025)
We present a scheme for speeding up quantum measurement. The scheme builds on previous protocols that entangle the system to be …
A Review and Collection of Metrics and Benchmarks for Quantum Computers: definitions, methodologies and software
arXiv (2025)
Quantum computers have the potential to provide an advantage over classical computers in a number of areas. Numerous metrics to …
Demonstration of Weighted-Graph Optimization on a Rydberg-Atom Array Using Local Light Shifts
PRX Quantum 6, 010301 (2025)
Neutral-atom arrays have emerged as a versatile platform toward scalable quantum computation and optimization. In this paper, we …
Interspecies Förster resonances for Rb-Cs Rydberg d-states for enhanced multi-qubit gate fidelities
Physical Review Research 6, 013293 (2024)
Benchmarking the algorithmic performance of near-term neutral atom processors
(2024)
Neutral atom quantum processors provide a viable route to scalable quantum computing, with recent demonstrations of high-fidelity and …