Abstract
A specific modeling method is investigated in order to predict the large-signal
modulation behavior of integrated electroabsorption modulators (EAMs) for
high-speed applications in optical networks. The equivalent dynamic model
includes the main nonlinearity of the EAM and takes into account the electrical
and optical characteristics of the optoelectronic device. The developed specific
design process is a suitable and powerful tool for simulating over wide dc
bias and frequency ranges, scattering parameters, small-signal modulation
response, and large-signal eye-diagram performance. Moreover, 3-D electromagnetic
simulations are associated with circuit simulations to carry out for the RF
input line of the EAM. This simulation model can be easily integrated in a
global optical communication system simulator to estimate the temporal behavior
of the modulated output optical power and then digital performances.
© 2011 IEEE
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