Realization of Coherent Optically Dense Media via Buffer-Gas Cooling

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dc.creatorHong, Tao
dc.creatorGorshkov, Alexey V.
dc.creatorPatterson, David
dc.creatorZibrov, Alexander S.
dc.creatorDoyle, John M.
dc.creatorLukin, Mikhail D.
dc.creatorPrentiss, Mara G.
dc.date2008-05-09
dc.date2009-02-02
dc.date.accessioned2026-07-07T12:36:00Z
dc.date.available2026-07-07T12:36:00Z
dc.descriptionWe demonstrate that buffer-gas cooling combined with laser ablation can be used to create coherent optical media with high optical depth and low Doppler broadening that offers metastable states with low collisional and motional decoherence. Demonstration of this generic technique opens pathways to coherent optics with a large variety of atoms and molecules. We use helium buffer gas to cool 87Rb atoms to below 7 K and slow atom diffusion to the walls. Electromagnetically induced transparency (EIT) in this medium allows for 50% transmission in a medium with initial OD >70 and for slow pulse propagation with large delay-bandwidth products. In the high-OD regime, we observe high-contrast spectrum oscillations due to efficient four-wave mixing.
dc.description4 pages, 4 figures. V2: modified title, abstract, introduction, conclusion; added references; improved theoretical fit in figure 3(b); shortened slow light theory description; clarified simplicity of apparatus. Final version as published in Phys. Rev. A
dc.identifierhttps://arxiv.org/abs/0805.1416
dc.identifierhttp://arxiv.org/abs/0805.1416
dc.identifierPhys. Rev. A 79, 013806 (2009)
dc.identifierdoi:10.1103/PhysRevA.79.013806
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/217950
dc.subjectQuantum Physics
dc.titleRealization of Coherent Optically Dense Media via Buffer-Gas Cooling
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