Tolerance Analysis of Optical splitter / combiner on Lithium Niobate Modulator.

Hanyu Li, Shifeng Xie,Yingbo Liu,Yuxiang Hao, Yihui Yin,Haiou Li

2023 IEEE 23rd International Conference on Communication Technology (ICCT)（2023）

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摘要

In this work, we compare the impact of fabrication errors on crucial parameters in the Y-branch and the Multimode Interference (MMI) coupler using simulation software.Relative error and absolute error are considered to evaluate the device's tolerance performance. The results show that the use of MMI devices as splitters and combiners in lithium niobate (LN) Modulators has greater advantages in terms of fabrication errors.

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关键词

MMI,Y-branch,Tolerance Analysis

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