Optimization of line-tapered MMI devices using a genetic algorithm

肖永生 Yongsheng Xiao,周建江 Jianjiang Zhou,李淑静 Shujing Li,黄丽贞 Lizhen Huang,郜定山 Dingshan Gao,吴华明 Huaming Wu,Yongsheng Xiao,Jianjiang Zhou,Shujing Li,Lizhen Huang,Dingshan Gao,Huaming Wu

CHINESE OPTICS LETTERS（2009）

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摘要

We discuss the optimal design of line-tapered multimode interference (MMI) devices using a genetic algorithm (GA). A 1x4 MMI device is designed as a numerical example. Compared with the conventional design based on self-imaging theory, the present method demonstrates superior performance with low insertion loss and small non-uniformity.

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