Thévenaz, LucKwang-Yong, SongHerraez, M. G.2008-09-292008-09-292008-09-29200510.1049/cp:20050822https://infoscience.epfl.ch/handle/20.500.14299/29980Active control of the group velocity in optical fibres is demonstrated, allowing long delays, faster-than-light propagation and even negative velocity, for which the peak of a pulse exits the fibre before entering the input enddelayslight propagationoptical fibresstimulated Brillouin scatteringvelocity controlSlow, superluminal and negative group velocity in optical fibres using stimulated Brillouin scatteringtext::conference output::conference proceedings::conference paper