Coupling and fusion splicing of photonic crystal fibers with conventional fibers
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摘要: 为了实现光子晶体光纤与普通光纤低损耗熔接,采用优化熔接机参量和逐渐塌缩光子晶体光纤空气孔的方法,对光子晶体光纤和普通光纤熔接损耗的主要来源及普通熔接机参量的选择进行了详细的理论分析,并对光子晶体光纤和普通光纤模场直径相匹配和不匹配两种情况分别进行了熔接实验研究,取得了小于0.2dB和0.3dB的熔接损耗。结果表明,通过优化熔接机参量可以实现模场直径相匹配的光子晶体光纤与普通光纤的低损耗熔接,而模场直径不匹配的情况可以通过逐渐塌缩光子晶体光纤空气孔从而增加光子晶体光纤的模场直径的方法来实现低损耗熔接。Abstract: In order to realize low loss fusion splicing between photonic crystal fiber(PCFs)and conventional fibers,after optimizing the splicer parameters and gradually decreasing the air hole collapse of PCFs,the main source of fusion splicing loss between PCFs and conventional fibers and rules of choosing parameters of arc fusion splicer were discussed in detail.Then some experiments splicing PCFs and conventional fibers were carried out with matched and mismatched mode field diameters,and very low loss(less than 0.2dB and 0.3dB respectively)was obtained.In conclusion,low loss splicing can be achieved by optimizing the splicer parameters for matched mode field diameters,however for much mismatched mode field diameters,low splicing loss can be obtained through controlling air hole collapse of PCFs.
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Keywords:
- fiber optics /
- photonic crystal fiber /
- conventional fiber /
- splicing loss /
- mode field diameter
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