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An Optical Mode Filtering Technique for the Improvement of the Large Core SI-POF Link Performance

机译:改善大核SI-POF链路性能的光学模式滤波技术

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摘要

In this paper an investigation on the influence of the photodiode's active area and its position relative to the fiber end facet to the performance of a Large Core Step Index Polymer Optical Fiber link is presented. It is shown with extensive numerical simulations that an effective higher order mode filtering occurs, depending on the geometrical properties of the interface, which can significantly improve the performance of the link. These findings are confirmed experimentally. Depending on the photo-receiver's axial offset relative to the fiber facet, an improvement in the BER performance of many orders of magnitude has been achieved for a fiber link of 37.5 m and a bit rate of 1.25 Gbps.
机译:本文研究了光电二极管的有效面积及其相对于光纤端面的位置对大纤芯阶跃折射率聚合物光纤链路性能的影响。大量的数值模拟表明,取决于接口的几何特性,会发生有效的高阶模式滤波,这可以显着提高链接的性能。这些发现在实验上得到了证实。根据光接收器相对于光纤端面的轴向偏移,对于37.5 m的光纤链路和1.25 Gbps的比特率,BER性能已实现了许多数量级的改善。

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