Abstract
We study the propagation of ultra-short optical pulses (∼10fs) traveling through a photonic crystal fiber. For this, we develop a realistic model of the fiber dispersion by numerical solution and a rational fit. Then, we model the laser pulses as higher-order solitons, and we show that they present rich dynamics along their propagation inside a fiber from where the steepest pulses are of great interest in the search of optical analogues of Hawking radiation.
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