title: Dispersion management with microstructured optical fibers: ultraflattened chromatic dispersion with low losses.
abstract: We numerically demonstrate ultraflattened chromatic dispersion with low losses in microstructured optical fibers (MOFs). We propose using two different MOF structures to get this result. Both structures are based on a subset of a triangular array of cylindrical air holes; the cross sections of these inclusions are circular, and a missing hole in the fiber's middle forms the core. In this MOF structure the diameters of the inclusions increase with distance from the fiber axis until the diameters reach a maximum. With this new design and with three different hole diameters, it requires only seven rings to reach the 0.2-dB/km level at lambda = 1.55 microm with a variation amplitude of dispersion below 3.0 x 10(-2) ps nm(-1) km(-1) of lambda = 1.5-1.6 microm. With the usual MOF (made from holes of identical diameter), we show that at least 18 hole rings are required for losses to decrease to < 1 dB/km at lambda = 1.55 microm.
authors.affiliation: Institut Fresnel, Unité Mixte de Recherche 6133, Centre National de la Recherche Scientifique, Faculté des Sciences et Techniques de St. Jérôme, Avenue Escadrille Normandie-Niémen, 13397 Marseille, France.
authors.forename: G
authors.initials: G
authors.lastname: Renversez
authors.forename: B
authors.initials: B
authors.lastname: Kuhlmey
authors.forename: R
authors.initials: R
authors.lastname: McPhedran