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Investigation of performance variations due to the amplitude of group-delay ripple in chirped fiber Bragg gratings

机译:chi光纤布拉格光栅中由于群延迟脉动幅度引起的性能变化研究

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摘要

We measure the system impacts due to the amplitude of group-delay (GD) ripple in single and cascaded chirped fiber Bragg gratings (CFBGs). Signals with smaller pulse width result in smaller performance variation at the same data rate. A 65-ps peak-to-peak GD ripple induces 0.9, 1.7, and 2.7 dB maximum penalties for 10, 20, and 40-Gb/s, respectively. We also find that cascading gratings with random ripple causes much less degradation than cascading gratings with the same ripple profile.
机译:我们测量由于单延迟和级联chi光纤布拉格光栅(CFBGs)中的群延迟(GD)波纹幅度而引起的系统影响。脉冲宽度较小的信号在相同数据速率下会导致较小的性能变化。 65 ps峰峰值GD纹波分别导致10、20和40 Gb / s的最大惩罚分别为0.9、1.7和2.7 dB。我们还发现,具有随机波纹的级联光栅比具有相同波纹轮廓的级联光栅引起的退化要少得多。

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