Abstract
A physical model of 10 Gigabit Ethernet (GbE) optical communications
systems based on 50-$\mu$m graded-index multimode fibers (MMFs) is presented in this paper.
It includes a model of vertical cavity surface emitting lasers (VCSELs) that
accounts for the spatiotemporal dynamic of such transversally multimode
lasers, commonly used in 10 GbE optical systems, and an accurate MMF model.
This complete model is compared to the 10 GBASE-S Link Budget Spreadsheet
developed within the IEEE P802.3ae 10GbE Task Force and to
experimental transmissions. Finally, VCSEL-to-MMF interactions and their
impacts on 10GbE transmissions are detailed and
explained.
© 2011 IEEE
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