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Angular mode group diversity multiplexing for multi-channel communication in a single step-index plastic optical fibre

By HPA Henrie van den Boom, AMJ Ton Koonen, Frans Huijskens and W van Gils


The principle of Angular Multiplexing to realise independent communication channels in a relatively short step-index plastic optical fibre is described. This concept of Mode Group Diversity Multiplexing is based on the principle that the axial angle of light propagating in a step index multimode fibre is preserved over relative short distances. By using an array of lasers each launching light into the fibre at different axial angles and by detecting the light of different angle areas by an array of photo detectors at the receiver side, independent transmission channels are created in a single step index fibre. Moreover, these individual channels will have a higher bandwidth because each channel uses fewer modes. First experiments with 25 m step index plastic fibre with a diameter of 1 mm already show the feasibility of this principle. With Angular Mode Group Diversity Multiplexing in step index plastic fibre high capacity, transparent, low-cost, easy-to-install in-house multimedia networks can be realised

Publisher: IEEE/LEOS
Year: 2005
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Provided by: Repository TU/e
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