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2012 American Control Conference (ACC)
We study a two-channel quasi-ring network composed of two reconfigurable optical add-drop multiplexers (ROADMs) equipped with dynamic gain equalizers (WSS/DGEs) and two constant gain controlled optical amplifiers. We conduct an equilibrium and stability analysis on the quasi ring network because it is the simplest scenario in which optical channel power can oscillate within a loop. Due to the difference of time scale between pump control and channel power equalization, we treat the amplifiersdoi:10.1109/acc.2012.6315331 fatcat:kamxwyljkvcvzgy42cibal7n74