activity
20112026
most citedSignificant-loophole-free test of Bell's theorem with entangled photons

1.5k citations · 4.5k across the 53 of their papers we have counts for

collaborators

55 papers

quant-ph2026

Looking Beyond Visibility: Resolving the Temporal Structure of Continuous-Wave Four-Photon Hong-Ou-Mandel Interference

Sabine Häussler, Meritxell Cabrejo-Ponce, Ana Maria Torres +3

Hong-Ou-Mandel interference underpins many photonic quantum information protocols and is commonly characterized by a single visibility parameter. This quantity is typically obtaine…

quant-ph2026

Alternating Squeezing and Photon Subtraction for Optical Cat-State Generation

Johanna Conrad, Fabian Steinlechner, René Sondenheimer

Schrödinger cat states are important non-Gaussian resources for quantum information processing and quantum-enhanced metrology. Although photon subtraction from squeezed vacuum stat…

quant-ph2026

Secure Medical Data Transmission Using Quantum Key Distribution and Post-Quantum Cryptography in Real-World Fiber Networks

Vasile-Laurentiu Dosan, Paul Spooren, Sebastian Moeckel +12

The threat quantum computers pose to classical public-key cryptography motivates the deployment of quantum-safe communication for critical infrastructure such as healthcare, financ…

quant-ph2026

Mode-selective nonlinear interference for high-brightness and high-purity fiber-coupled SPDC sources

Carlos Sevilla-Gutiérrez, Purujit Singh Chauhan, Varun Raj Kaipalath +1

Single-mode-fiber-coupled spontaneous parametric down-conversion (SPDC) sources are a key resource for photonic quantum technologies, but in single-crystal geometries brightness, h…

quant-ph2026

Self-stabilized high-dimensional quantum key distribution on a metropolitan free-space link

Karolina Dziwulska, Christopher Spiess, Sarika Mishra +3

Quantum communication technologies capable of operating reliably across heterogeneous optical channels are essential for scalable metropolitan quantum networks. Here we demonstrate…

quant-ph2026

Asynchronous Multi-photon Interference for Quantum Networks

Baghdasar Baghdasaryan, Karen Lozano-Méndez, Markus Leipe +11

Advanced quantum communication protocols require high-visibility quantum interference between photons generated at distant nodes, which places stringent demands on optical synchron…