Abstract
We present a novel method to study impairments in Wavelength Division
Multiplexing (WDM) networks by using probability theory to simulate the
wavelength channel assignment and the flow of signals through the network,and
also to calculate confidence limits for acceptable network performance. We
apply the method to study the accumulation of homodyne beat noise in order to
gauge accurate and realistic component crosstalk requirements for optical
switches. We include the effects of laser wavelength referencing error and
drift in our model, and show that it is possible to relax the requirements to
within realistic specifications.
© 2000 IEEE
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