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Using the Engset traffic model, we demonstrate conflicting effects of add/drop ratio on performance of the access networks and that of the core networks. This will have important design implications to future transparent photonic networks.
We propose an approach to implementing wavelength- and time-selective optical switching, dropping and swapping based on the sum-frequency generation (SFG) or cascaded sum- and difference-frequency generation (cSFG/DFG) in a periodically poled lithium niobate (PPLN) waveguide. Analytical solutions are derived, showing the parametric depletion effect for… (More)