Recently, I built a dispersion compensation system based on FBG by referring to relevant literature. The simulation effect of the system was very good under 10Gbps, but when I increased the speed to 40Gbps, the system was completely chaotic. I tried to change some other parameters and iteration methods, but it did not improve. Could you tell me where my problem is? How can I adjust the system to communicate at 40Gbps? Thank you very much.
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