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A hybrid DCF/FBG scheme for dispersion compensation over a 300 km SMF

机译：DCF / FBG混合方案可在300 km SMF上进行色散补偿

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摘要

In this work, the efficient restoration of a dissipated signal over a 300km long-haul optical fiber is investigated. A hybrid system is proposed including a dispersion compensation fiber (DCF) and a fiber Bragg grating (FBG). Two 150km standard single mode fibers with a chromatic dispersion of 17psmkm are used in the simulation. Sufficient optical amplification power is supplied using an erbium-doped fiber amplifier to overcome the signal attenuation down the link, yet the signal is totally distorted. The only major reason left interpreting the total data loss would be the chromatic dispersion (CD). A DCF and a-tanh-apodized-linearly-chirped fiber Bragg grating (ACFBG) are implemented individually in a symmetric or a distributed setting in an attempt to compensate for the CD that led mainly to the signal degradation. The proposed hybrid scheme is then tested in a pre, post, symmetric and distributed installations. Several lengths of DCFs and ACFBGs at various parameters are examined. A comparison between the mentioned schemes is performed, seeking the most remarkable, resilient, and cost-effective technique.
机译：在这项工作中，研究了在300公里长途光纤上有效恢复耗散信号的方法。提出了一种混合系统，该系统包括色散补偿光纤（DCF）和光纤布拉格光栅（FBG）。仿真中使用了两条色散为17ps / nmkm的150km标准单模光纤。使用掺b光纤放大器可提供足够的光放大功率，以克服链路上的信号衰减，但信号完全失真。剩下的解释总数据丢失的唯一主要原因就是色散（CD）。 DCF和a tanh切趾线性chi光纤布拉格光栅（ACFBG）分别以对称或分布式设置实现，以尝试补偿主要导致信号劣化的CD。然后在预安装，后安装，对称安装和分布式安装中测试提出的混合方案。检查了各种参数下DCF和ACFBG的几种长度。进行上述方案之间的比较，以寻求最出色，最灵活且最具成本效益的技术。

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