245 citations · 2.1k across the 68 of their papers we have counts for
7 papers · 1 filter
Bell Inequality Tests with Macroscopic Entangled States of Light
Magdalena Stobińska, Pavel Sekatski, Adam Buraczewski +2
Quantum correlations may violate the Bell inequalities. Most of the experimental schemes confirming this prediction have been realized in all-optical Bell tests suffering from the…
Detector imperfections in photon-pair source characterization
P. Sekatski, N. Sangouard, F. Bussieres +3
We analyze how imperfections in single-photon detectors impact the characterization of photon-pair sources. We perform exact calculations to reveal the effects of multi-pair emissi…
Loophole-free Bell test for one atom and less than one photon
N. Sangouard, J. -D. Bancal, N. Gisin +4
We consider the entanglement between two internal states of a single atom and two photon number states describing either the vaccum or a single photon and thus containing, on avera…
Filtering of the absolute value of photon-number difference for two-mode macroscopic quantum superpositions
Magdalena Stobińska, Falk Töppel, Pavel Sekatski +5
We discuss a device capable of filtering out two-mode states of light with mode populations differing by more than a certain threshold, while not revealing which mode is more popul…
Coarse Graining Makes It Hard to See Micro-Macro Entanglement
Sadegh Raeisi, Pavel Sekatski, Christoph Simon
Observing quantum effects such as superpositions and entanglement in macroscopic systems requires not only a system that is well protected against environmental decoherence, but al…
Experimental amplification of an entangled photon: what if the detection loophole is ignored?
Enrico Pomarico, Bruno Sanguinetti, Pavel Sekatski +2
The experimental verification of quantum features, such as entanglement, at large scales is extremely challenging because of environment-induced decoherence. Indeed, measurement te…
A photon-pair source with controllable delay based on shaped inhomogeneous broadening of rare-earth doped solids
Pavel Sekatski, Nicolas Sangouard, Nicolas Gisin +2
Spontaneous Raman emission in atomic gases provides an attractive source of photon pairs with a controllable delay. We show how this technique can be implemented in solid state sys…