Porous fibers: a novel approach to low loss THz waveguides
Porous fibers: a novel approach to low loss THz waveguides
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DOI：
10.1364/oe.16.008845
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发表时间：
2008-06-09
期刊：
影响因子：
3.8
通讯作者：
Monro, Tanya M.
中科院分区：
文献类型：
--
作者：
Atakaramians, Shaghik;Shahraam, Afshar, V;Monro, Tanya M.
我们提出了一种新型的光纤，其具有通过在光纤芯内布置亚波长空气孔而产生的多孔横截面。这些光纤可以通过利用在这些亚波长孔内发生的导模场的增强来提供THz区域中的低传输损耗和高模式限制的组合。我们评估这些多孔纤维的性能，并定量比较它们的性能相对于一个实芯空气包覆纤维（微丝）。对于类似的损耗值，与微丝相比，多孔光纤能够改善光限制并减少宽带脉冲的失真。(c)2008年美国光学学会。
We propose a novel class of optical fiber with a porous transverse cross-section that is created by arranging sub-wavelength air-holes within the core of the fiber. These fibers can offer a combination of low transmission loss and high mode confinement in the THz regime by exploiting the enhancement of the guided mode field that occurs within these sub-wavelength holes. We evaluate the properties of these porous fibers and quantitatively compare their performance relative to that of a solid core air cladded fiber (microwire). For similar loss values, porous fibers enable improved light confinement and reduced distortion of a broadband pulse compared to microwires. (c) 2008 Optical Society of America.