21 March 2006 Slow-light solitons and shape-preserving pulses
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The physics of slow-light propagation in atomic Lambda systems is described by the theory of integrable systems, which allows the existence of solitons. Slow-light solitons are stable polarization structures that propagate through the atomic medium at a controllable speed. They represent generalizations of the experimentally demonstrated slow-light pulses in atomic media where one light polarization dominates the other, the probe, and controls its group velocity. In the general case, the overall intensity controls the speed of the entire polarization structure. For zero detuning between light and atoms, even more general shape-preserving pulses exist. Quantum fluctuations of slow-light pulses can be stored in atomic media. In the case of solitons, these are fluctuations of the soliton parameters.
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Ulf Leonhardt, Ulf Leonhardt, Luciana C. Dávila Romero, Luciana C. Dávila Romero, } "Slow-light solitons and shape-preserving pulses", Proc. SPIE 6130, Advanced Optical and Quantum Memories and Computing III, 61300U (21 March 2006); doi: 10.1117/12.660191; https://doi.org/10.1117/12.660191

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