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Journal Articles Physical Review Letters Year : 2007

Driving Light Pulses with Light in Two-Level Media

Abstract

A two-level medium, described by the Maxwell-Bloch system, is engraved by establishing a standing cavity wave with a linearly polarized electromagnetic field that drives the medium on both ends. A light pulse, polarized along the other direction, then scatters the medium and couples to the cavity standing wave by means of the population inversion density variations. We demonstrate that control of the applied amplitudes of the grating field allows one to stop the light pulse and to make it move backward (eventually to drive it freely). A simplified limit model of the Maxwell-Bloch system with variable boundary driving is obtained as a discrete nonlinear Schrödinger equation with tunable external potential. It reproduces qualitatively the dynamics of the driven light pulse.

Dates and versions

in2p3-00185694 , version 1 (06-11-2007)

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R. Khomeriki, J. Leon. Driving Light Pulses with Light in Two-Level Media. Physical Review Letters, 2007, 99, pp.183601. ⟨10.1103/PhysRevLett.99.183601⟩. ⟨in2p3-00185694⟩
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