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assurer la propagation du seul mode fondamental dans des fibres large coeur où a large surface de mode lorsque la puissance devient très importante, car c'est une nécessité pour de nombreuses applications. Toutes, cependant, ne l'exigent pas [Luft 03] et l'effort estàestà porter sur ces combineurs multimodes pour le signal, Les technologies que nous avons utilisées, ´ etudiées et autour desquelles nous avons développé des architectures optimisées sont adaptées pour suivre cesévolutionscesévolutions technologiques ,
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