基于四波混频效应的全光信号再生技术研究
首发时间:2011-12-09
摘要:本文主要对全光信号再生中的再整形技术进行了研究。阐述了基于光纤四波混频效应进行光信号再整形的理论依据,在单级再生方案的基础上对基于色散位移光纤(DSF)四波混频的光信号再生级联方案进行了仿真研究,分析、对比了两种方案的模拟结果;仿真结果表明:级联方案能更好的提高消光比和Q值,减少噪声,提高信噪比,得到良好的再整形性能。
关键词: 光纤通信 全光3R再生 四波混频 色散位移光纤 转移函数 消光比
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Study on Techniques of All-Optical Signal Regeneration Based on Four Wave Mixing
Abstract:The paper focuses on re-shaping technique in all-optical 3R regeneration.The theory of FWM in fibers were expounded and deduced.Based-on the existing schemes,a two-steps scheme was designed and researched to realize signal regeneration using DSF.The paper compared the new scheme with the existing schemes.The simulation results demonstrate that the two-steps scheme can get better regeneration performance on extinction ratio enhancement, Q-factor improvement and noise suppression of data signal.
Keywords: Fibre-optical communication All-optical 3R regeneration Four-wave mixing(FWM) Dispersion-shifted fiber (DSF) Transfer function Extinction ratio(ER)
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