A Systematic Formulation of Slow Polaritons in Atomic Gases

Abstract

We formulate a theory of slow polaritons in atomic gases and apply it to the slowing down, storing, and redirecting of laser pulses in an EIT medium. The normal modes of the coupled matter and radiation are determined through a full diagonalization of the dissipationless Hamiltonian. Away from the EIT resonance where the polaritons acquire an excited-state contribution, lifetimes are introduced as a secondary step. With detuning included various four-wave mixing possibilities are analyzed. We investigate specifically the possibility of reverting a stopped polariton by reversing the control beam.

Revtex, 4 pages, 2 figures; title has been changed, content and figures have been modified

References in corpus (1)

• Storage of light in atomic vapor

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