Robust optical mode converter based on topological waveguide arrays

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外文摘要：Optical mode converters are essential for enhancing the capacity of optical communication systems.However,fabrica-tion errors restrict the further improvement of conventional mode converters.To address this challenge,we have designed an on-chip TE0-TE1 mode converter based on topologically protected waveguide arrays.The simulation results demonstrate that the converter exhibits a mode coupling efficiency of 93.5％near 1550 nm and can tolerate a relative fabrication error of 30％.Our design approach can be extended to enhance the robustness for other integrated photonic devices,beneficial for future development of optical network systems.

外文关键词：

on-chip integrated photonic devicestopological photonicsmode converterrobustness

作者：

徐宇翔、唐文剑、姜力炜、吴德兴、王恒、许冰聪、陈林

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作者单位：

Wuhan National Laboratory for Optoelectronics and School of Optical and Electronic Information,Huazhong University of Science and Technology,Wuhan 430074,China

基金：

National Undergraduate Training Projects for Innovation and Entrepreneurship国家自然科学基金国家重点研发计划Natural Science Foundation from the Science,Technology,and Innovation Commission of Shenzhen Municipality

项目编号：

5003182007120741372021YFB2801903JCYJ20220530161010023

出版年：

2024

DOI：

10.1088/1674-1056/ad3811

中国物理B(英文版)

中国物理学会和中国科学院物理研究所

中国物理B(英文版)

CSTPCDEI

影响因子：0.995

ISSN：1674-1056

年,卷(期)：2024.33(6)

参考文献量39