Abstract
In this paper, the physical limitations of semiconductor optical amplifier
(SOA)-based switching nodes for optical burst switching (OBS) are investigated. The
investigation covers two broadcast-and-select (BAS)-based architectures. Their maximum
size and throughput are analyzed for nodes at different bit rates. As main impairments
for signal degradation amplifier noise, crosstalk, SOA gain saturation and dynamics, and
SOA chirp are evaluated by simulations. In conclusion, general rules for design burst
switching nodes are established.
© 2008 IEEE
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