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对啁啾光纤光栅在超长距离多波长传输系统中应用时所存在的问题进行了研究,主要分析了多波长级联的啁啾光纤光栅之间的串扰,并提出了利用相干长度法来抑制不同信道间啁啾光纤光栅串扰的方法.在此基础之上实现了基于光纤光栅色散补偿的8×10Gbit/s,1500km G.652光纤上的传输系统.
The problems existing in the application of chirped fiber gratings in ultra long distance multiwavelength transmission systems are mainly studied. The crosstalk between chirped fiber gratings in multiwavelength cascades is mainly analyzed and the coherence length method is proposed to suppress A method of chirp fiber grating crosstalk between different channels, and a transmission system of 8 × 10Gbit / s and 1500km G.652 fibers based on fiber grating dispersion compensation is realized.