Document Type

Article

Publication Date

1-1-2002

Abstract

We derive an analytic expression for the linewidth of electromagnetically induced transparency (EIT) resonance in a Doppler-broadened system. It is shown here that for relatively low intensity of the driving field the EIT linewidth is proportional to the square root of intensity and is independent of the Doppler width, similar to the laser-induced line narrowing effect described by Feld and Javan. In the limit of high intensity we recover the usual power-broadening case where the EIT linewidth is proportional to the intensity and inversely proportional to the Doppler width. © Oxford University Press 2002.

Publication Source (Journal or Book title)

Physical Review A - Atomic, Molecular, and Optical Physics

First Page

138051

Last Page

138054

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