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首页> 外文期刊>Optics Letters >Endlessly single-polarization single-mode holey fibers with low confinement loss
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Endlessly single-polarization single-mode holey fibers with low confinement loss

机译:无限损耗的无限单极化单模有孔光纤

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摘要

We present a novel structure for holey fibers (HFs) with endlessly single-polarization single-mode characteristics, which is realized by introducing four elliptical airholes arranged in a hexagonal matrix in the core region. The validation of the design is done by use of a full-vectorial finite element method. We exhibit one typical design that can deliver a single-polarization single-mode region of more than 2400 nm with a confinement loss level lower than 0.01 dB/km. We have also shown that the persevered polarization state possesses a wide wavelength band of flat dispersion behavior. As a consequence, such HFs are useful in high-speed communication systems or optical-fiber sensors since they are free of polarization mode dispersion and simultaneously immune to cross-talk effect.
机译:我们提出了一种具有无限单极化单模特性的带孔光纤(HFs)的新颖结构,该结构是通过在芯区引入以六边形矩阵形式排列的四个椭圆形气孔来实现的。通过使用全矢量有限元方法来完成设计的验证。我们展示了一种典型的设计,该设计可以提供大于2400 nm的单偏振单模区域,且限制损耗水平低于0.01 dB / km。我们还表明,持久的偏振态具有平坦的色散行为的宽波段。结果,这种HF在高速通信系统或光纤传​​感器中是有用的,因为它们没有偏振模色散并且同时不受串扰影响。

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