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8 papers · 2 filters
A reversible optical memory for twisted photons
L. Veissier, A. Nicolas, L. Giner +4
We report on an experiment in which orbital angular momentum of light is mapped at the single-photon level into and out of a cold atomic ensemble. Based on the dynamic electromagne…
A single ion coupled to an optical fiber cavity
Matthias Steiner, Hendrik M. Meyer, Christian Deutsch +2
We present the realization of a combined trapped-ion and optical cavity system, in which a single Yb^+ ion is confined by a micron-scale ion trap inside a 230 mum-long optical fibe…
Pairwise summation approximation for Casimir potentials and its limitations
Anne-Florence Bitbol, Antoine Canaguier-Durand, Astrid Lambrecht +1
We investigate the error made by the pairwise summation (PWS) approximation in three geometries where the exact formula for the Casimir interaction is known: atom-slab, slab-slab a…
A high-fidelity single-photon source based on a type-II optical parametric oscillator
Olivier Morin, Virginia D'Auria, Claude Fabre +1
Using a continuous-wave type-II optical parametric oscillator below threshold, we have demonstrated a novel source of heralded single-photons with high-fidelity. The generated stat…
Witnessing trustworthy single-photon entanglement with local homodyne measurements
Olivier Morin, Jean-Daniel Bancal, Melvyn Ho +5
Single-photon entangled states, i.e. states describing two optical paths sharing a single photon, constitute the simplest form of entanglement. Yet they provide a valuable resource…
Classical Casimir interaction in the plane-sphere geometry
Antoine Canaguier-Durand, Gert-Ludwig Ingold, Marc-Thierry Jaekel +3
We study the Casimir interaction in the plane-sphere geometry in the classical limit of high temperatures. In this limit, the finite conductivity of the metallic plates needs to be…