Near field pattern simulations of graded-index multimode fibres

R.W. Smink, C. Tsekrekos, B.P. Hon, de, A.M.J. Koonen, A.G. Tijhuis

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Abstract

To compute the near field pattern (NFP) of a silica graded-index multimode fibre, a fullwave model has been implemented. A single-mode fibre pigtail, with possible angular tilt and radial offset, excites the wavefield. The amplitudes of the propagating modes are computed by overlap integrals. The graded-index a-profile has been determined by matching differential mode delay simulations to measurements. Differential mode attenuation and mode-mixing are introduced through a power-flow equation. Only minor parameter adjustments suffice to obtain a satisfactory match between measurements and simulations. To gain a better understanding of the phenomena, NFPs have been determined for a range of excitation positions and angles.
Original languageEnglish
Title of host publicationProceedings of the 11th Annual Symposium of the IEEE/LEOS Benelux Chapter, 30 November - 1 December 2006, Eindhoven, The Netherlands
EditorsA.M.J. Koonen, X.J.M. Leijtens
Place of PublicationEindhoven
PublisherTechnische Universiteit Eindhoven
Pages257-260
ISBN (Print)90-6144-989-8
Publication statusPublished - 2006
Event11th Annual Symposium of the IEEE/LEOS Benelux Chapter - Eindhoven, Netherlands
Duration: 30 Nov 20061 Dec 2006

Conference

Conference11th Annual Symposium of the IEEE/LEOS Benelux Chapter
Country/TerritoryNetherlands
CityEindhoven
Period30/11/061/12/06

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