Journal
PHYSICAL REVIEW LETTERS
Volume 114, Issue 18, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.114.180503
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Funding
- European Research Council (Starting Grant HybridNet)
- Emergence program from Ville de Paris
- DIM Nano-K Des atomes froids aux nanosciences from Region Ile-de-France
- CAPES-COFECUB [Ph 740-12]
- Direction Generale de l'Armement (DGA)
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We report the experimental observation of slow-light and coherent storage in a setting where light is tightly confined in the transverse directions. By interfacing a tapered optical nanofiber with a cold atomic ensemble, electromagnetically induced transparency is observed and light pulses at the single-photon level are stored in and retrieved from the atomic medium. The decay of efficiency with storage time is also measured and related to concurrent decoherence mechanisms. Collapses and revivals can be additionally controlled by an applied magnetic field. Our results based on subdiffraction-limited optical mode interacting with atoms via the strong evanescent field demonstrate an alternative to free-space focusing and a novel capability for information storage in an all-fibered quantum network.
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