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The single drive Mach-Zehnder interferometer modulator is used basically for optical intensity modulation. It is well known that its modulation characteristic exhibits a significant nonlinearity at increased drive level. However, we draw the attention to the problem that the intensity modulation is associated with a parasitic phase modulation. In this paper we investigate the source of parasitic phase...
Eliminating dispersion effects fast is a crucial concern when building next generation optical networks. Dispersion penalty has been investigated widely in 1550nm fiber-optical links transmitting different kind of signals. However, only a few papers addressed the harmonics generation effect. This paper presents theoretical and experimental results on the estimation of harmonic effects in the transmission...
<para> This paper demonstrates that in broadband networks in-line semiconductor optical amplifiers (SOAs) beside providing system gain can also be used as simultaneous transceivers. The SOA branching stages are studied and presented for bus configuration. Using a steady-state model, we have made a small-signal approximation applying an equivalent circuit for detection based on the rate equations...
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