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本文通过数值计算分析了常耦合系数光纤光栅振荡特性对其色散补偿性能的影响 ,解释了产生这种振荡的原因。并采用此种光纤光栅作色散补偿器 ,获得了 10 Gbit/s、2 0 0 0 km常规单模光纤传输系统。证实了带宽大小合适的滤波器是消除线性啁啾光纤光栅色散振荡对光通信系统影响的有效方法。
In this paper, the influence of the oscillation characteristics of the normally coupled coefficient fiber grating on its dispersion compensation performance is analyzed by numerical calculation, and the reason for the oscillation is explained. The fiber grating is used as the dispersion compensator, and the single-mode fiber transmission system of 10 Gbit / s and 2000 km is obtained. It is confirmed that a bandwidth-appropriate filter is an effective way to eliminate the influence of chirped fiber grating dispersion oscillation on the optical communication system.