Heralded single-magnon quantum memory for photon polarization states

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dc.creatorTanji, Haruka
dc.creatorGhosh, Saikat
dc.creatorSimon, Jonathan
dc.creatorBloom, Benjamin
dc.creatorVuletić, Vladan
dc.date2008-08-27
dc.date.accessioned2026-07-07T09:58:38Z
dc.date.available2026-07-07T09:58:38Z
dc.descriptionWe demonstrate a heralded quantum memory based on mapping of a photon polarization state onto a single collective-spin excitation (magnon) shared between two spatially overlapped atomic ensembles. The polarization fidelity is measured by quantum state tomography to be above 90(2)% for any input polarization, which far exceeds the classical limit of 2/3. The process also constitutes a quantum non-destructive probe that detects and regenerates a photon without touching its - potentially undetermined - polarization.
dc.identifierhttps://arxiv.org/abs/0808.3603
dc.identifierhttp://arxiv.org/abs/0808.3603
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/167791
dc.subjectQuantum Physics
dc.titleHeralded single-magnon quantum memory for photon polarization states
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