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多模光纤模间色散的电均衡补偿

DOI: 10.13190/jbupt.200705.95.zhangya, PP. 95-99

Keywords: 多模光纤,模间色散,光功率转移函数,电均衡

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Abstract:

在不同的参数条件下用中心差分法数值计算了多模光纤的波动方程得到LP模场分布函数,再通过数值计算迭加积分得到激光器激发出的模功率分布,进而得到多模光纤的功率转移函数.基于线性前馈均衡和判决反馈均衡对模间色散的电域补偿进行了仿真研究.结果表明,采用判决反馈均衡能满足10Gbit/s速率的信号在已敷设的多模光纤上传输300m,色散导致的功率劣化小于4dB的要求.

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