Abstract

Slow light formation in media with (i) an electromagnetically induced transparency, (ii) a doublet structure, and (iii) a single absorption line, detuned from resonance, is considered with the help of a simple model. The model is based on the description of particles in these media by a pseudospin 1/2, which is subject to two ‘orthogonal fields’. We mainly focus on the analysis of the reversible process of the particle excitation–de-excitation resulting in the temporal storage of the light-pulse energy without the pulse corruption. The influence of irreversible relaxation processes on the slow light formation is studied.

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