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首页> 外文期刊>電子情報通信学会技術研究報告. 光ファイバ応用技術. Optical Fiber Technology >Chromatic dispersion profile optimization of dual-concentric-core photonic crystal fibers for broadband dispersion compensation
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Chromatic dispersion profile optimization of dual-concentric-core photonic crystal fibers for broadband dispersion compensation

机译：双同心芯光子晶体光纤色散分布的优化，用于宽带色散补偿

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摘要

Chromatic dispersion profile of dual-concentric-core photonic crystal fibers is optimized for broadband dispersion compensation of single mode fibers (SMFs) by using genetic algorithm incorporated with full-vector finite-element method. From the numerical results presented here, it is found that by increasing the distance between central core and outer ring core, larger negative dispersion coefficient and better dispersion slope compensation are possible. There is a tradeoff between the magnitude of negative dispersion coeflicient and dispersion slope compensation due to the concave dispersion profile of dual-concentric-core photonic crystal fibers In spite of the tradeoff, dual-concentric-core photonic crystal fibers having larger negative dispersion coefficient as well as compensating for dispersion slope of SMFs in the entire C band with large effective area can be designed.
机译：利用结合了全矢量有限元方法的遗传算法，优化了双同心芯光子晶体光纤的色散分布，以实现单模光纤（SMF）的宽带色散补偿。根据此处给出的数值结果，发现通过增加中心磁芯和外环磁芯之间的距离，可以实现更大的负色散系数和更好的色散斜率补偿。由于双同心芯光子晶体光纤的凹形色散分布，在负色散系数和色散斜率补偿的幅度之间存在一个权衡。可以设计出在有效面积较大的情况下补偿整个C波段SMF的色散斜率。

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