A Broadband Si3N4 Polarization Beam Splitter Based on Asymmetric Directional Couplers

J. Zhan, M. Dagenais, Guangcanlan Yang, S. Veilleux
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Abstract

We present the design of a broadband Si3N4 polarization beam splitter based on asymmetric directional couplers. A 20 dB polarization extinction ratio has been achieved over a bandwidth of 103 nm experimentally.
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基于非对称定向耦合器的宽带Si3N4偏振分束器
提出了一种基于非对称定向耦合器的宽带氮化硅偏振分束器的设计。实验结果表明,在103nm带宽范围内,极化消光比达到20db。
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