Negative Group Velocity: Is It a Backward wave or Fast Light?

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dc.creatorFeigenbaum, Eyal
dc.creatorKaminski, Noam
dc.creatorOrenstein, Meir
dc.date2008-07-30
dc.date.accessioned2026-07-07T09:53:47Z
dc.date.available2026-07-07T09:53:47Z
dc.descriptionWhen a negative slope of the dispersion curve is encountered, the propagating light may be either 'fast light' or 'backward propagating'. We show that causality considerations select only one of which for each scenario, and demonstrate that the same photonic (plasmonic) system can support both type of solutions depending on parameters.
dc.description5 figures
dc.identifierhttps://arxiv.org/abs/0807.4915
dc.identifierhttp://arxiv.org/abs/0807.4915
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/166079
dc.subjectOptics
dc.titleNegative Group Velocity: Is It a Backward wave or Fast Light?
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