光耦合到多模波导的模型

C. Kolleck, M. Stallein, G. Mrozynski
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引用次数: 3

摘要

为了模拟光在光互连中的传输,需要对耦合过程进行适当的建模。只要耦合接口两侧有非常多的模态可用,模态匹配等综合方法就可以提供准确的结果。本文对一些较简单的数值方法进行了评价,并与应用于二维耦合问题的模态匹配方法的结果进行了比较。结果表明,这些方法可以很好地用于高多模态波导的正常工作条件下,但误差随着偏离非理想耦合几何而增加。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Models for the coupling of light into multimode waveguides
For the simulation of light transmission over optical interconnects an appropriate modeling of the coupling process is needed. Comprehensive methods like the mode matching method can offer accurate results as long as a very high number of modes on both sides of the coupling interface is available. In this paper, some simpler numerical methods are assessed and compared to the results of the mode matching method applied to a 2D coupling problem. It turns out that these methods can be used well under usual operating conditions for highly multimodal waveguides, but the errors increase with the deviation from the non-ideal coupling geometry.
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