Photon echoes generated by reversing magnetic field gradients in a rubidium vapour

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dc.creatorHétet, G.
dc.creatorHosseini, M.
dc.creatorSparkes, B. M.
dc.creatorOblak, D.
dc.creatorLam, P. K.
dc.creatorBuchler, B. C.
dc.date2008-06-26
dc.date2008-08-06
dc.date.accessioned2026-07-07T10:17:53Z
dc.date.available2026-07-07T10:17:53Z
dc.descriptionWe propose a photon echo quantum memory scheme using detuned Raman coupling to long lived ground states. In contrast to previous 3-level schemes based on controlled reversible inhomogeneous broadening that use sequences of $π$-pulses, the scheme does not require accurate control of the coupling dynamics to the ground states. We present a proof of principle experimental realization of our proposal using rubidium atoms in a warm vapour cell. The Raman resonance line is broadened using a magnetic field that varies linearly along the direction of light propagation. Inverting the magnetic field gradient rephases the atomic dipoles and re-emits the light pulse in the forward direction.
dc.identifierhttps://arxiv.org/abs/0806.4258
dc.identifierhttp://arxiv.org/abs/0806.4258
dc.identifierOptics Letters, Vol. 33, Issue 20, pp. 2323-2325 (2008)
dc.identifierdoi:10.1364/OL.33.002323
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/174008
dc.subjectQuantum Physics
dc.titlePhoton echoes generated by reversing magnetic field gradients in a rubidium vapour
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