Physics – Quantum Physics
Scientific paper
2002-03-25
Physics
Quantum Physics
13 pages, 15 figures, submitted to Phys. Rev. A
Scientific paper
10.1103/PhysRevA.66.043802
We present a detailed semiclassical study on the propagation of a pair of optical fields in resonant media with and without adiabatic approximation. In the case of near and on resonance excitation, we show detailed calculation, both analytically and numerically, on the extremely slowly propagating probe pulse and the subsequent regeneration of a pulse via a coupling laser. Further discussions on the adiabatic approximation provide many subtle understandings of the process including the effect on the band width of the regenerated optical field. Indeed, all features of the optical pulse regeneration and most of the intricate details of the process can be obtained with the present treatment without invoke a full field theoretical method. For very far off resonance excitation, we show that the analytical solution is nearly detuning independent, a surprising result that is vigorously tested and compared to numerical calculations with very good agreement.
Anderson Shannon
Deng Licai
Payne M. G.
Schmitt Chris
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