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首页> 外文期刊>Microwave and optical technology letters >IMPACT OF THE DELAY RIPPLE OF CASCADED GRATINGS ON DISPERSION COMPENSATION OF LONG-HAUL FIBER TRANSMISSION SYSTEMS
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IMPACT OF THE DELAY RIPPLE OF CASCADED GRATINGS ON DISPERSION COMPENSATION OF LONG-HAUL FIBER TRANSMISSION SYSTEMS

机译：级联光栅的延迟波纹对长距离光纤传输系统色散补偿的影响

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摘要

Delay ripples of chirped-fiber Bragg grating (CFBG), which can compensate 200-km-long fiber's dispersion, is detailedly analyzed. A numerical simulation of the delay ripple of cascaded gratings is done using Schrodinger's equation and is compared with an experiment using a 1000-km transmission system over G.6.52 fiber by five groups of CFBGs for dispersion compensation. The research shows that the system degradation depends on the delay-ripple period, which is 0.01-0.1 nm, and its amplitude. Fluctuation of the power penalty, which depends on the CFBG's ripple period when the source wavelength is changed ±20 GHz around the CFBG's center wavelength, is experimentally studied. The theoretical results agree well with the experimental results.
机译：详细分析了can光纤布拉格光栅（CFBG）的延迟纹波，它可以补偿200 km长的光纤色散。使用Schrodinger方程对级联光栅的延迟脉动进行了数值模拟，并与在G.6.52光纤上使用1000公里传输系统，五组CFBG进行色散补偿的实验进行了比较。研究表明，系统退化取决于延迟波动周期（0.01-0.1 nm）及其幅度。实验研究了功率损失的波动，该波动取决于源波长在CFBG中心波长附近±20 GHz时变化的CFBG波动周期。理论结果与实验结果吻合良好。

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