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Nonlinear optics of fibre event horizons
The nonlinear interaction of light in an optical fibre can mimic the physics at an event horizon. This analogue arises when a weak probe wave is unable to pass through an intense soliton, despite propagating at a different velocity. To date, these dynamics have been described in the time domain in terms of a soliton-induced refractive index barrier that modifies the velocity of the probe. Here, we complete the physical description of fibre-optic event horizons by presenting a fulldoi:10.1038/ncomms5969 pmid:25230247 fatcat:b4pzbxakavb3vdqco5uoasd4xy