Extremely slow propagation of a light pulse in an ultracold atomic vapor: A Raman scheme without electromagnetically induced transparency

M. G. Payne, L. Deng

Research output: Contribution to journalArticlepeer-review

Abstract

We describe a Raman scheme where the group velocity of an optical pulse can be altered dramatically. With this none electromagnetically-induced-transparency scheme, we show that when on a two-photon resonance, a light pulse can propagate with extremely slow group velocity. Both pulse narrowing and broadening can occur depending upon the choice of two-photon detuning. When using a tuned far-off two-photon resonance, we show that the pulse propagates “superluminally” in the medium with pulse narrowing.

Original languageAmerican English
JournalPhysical Review A
Volume64
DOIs
StatePublished - Aug 14 2001

DC Disciplines

  • Physics

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