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基于氮化硅波导的超宽带偏振不敏感光分束器
Ultra-broadband Polarization Insensitive Optical Power Splitter based on Si3N4 Waveguide
- 光通信研究 2024年第4期 页码：23013101-23013105
- 作者机构：
文华学院 信息科学与技术学部，武汉 430074
- 作者简介：
谢雅婷。E-mail：xieyating1990@126.com
- 基金信息：
DOI：10.13756/j.gtxyj.2024.230131
中图分类号： TN256纸质出版日期：2024-08-10，
收稿日期：2023-08-08，
修回日期：2023-08-20，
- 稿件说明：
扫 描 看 全 文
谢雅婷，洪艺涵，张翼，等. 基于氮化硅波导的超宽带偏振不敏感光分束器[J]. 光通信研究，2024(4)：230131.
Xie Y T, Hong Y H, Zhang Y, et al. Ultra-broadband Polarization Insensitive Optical Power Splitter based on Si3N4 Waveguide [J]. Study on Optical Communications, 2024(4)：230131.
谢雅婷，洪艺涵，张翼，等. 基于氮化硅波导的超宽带偏振不敏感光分束器[J]. 光通信研究，2024(4)：230131. DOI： 10.13756/j.gtxyj.2024.230131.
Xie Y T, Hong Y H, Zhang Y, et al. Ultra-broadband Polarization Insensitive Optical Power Splitter based on Si3N4 Waveguide [J]. Study on Optical Communications, 2024(4)：230131. DOI： 10.13756/j.gtxyj.2024.230131.
摘要
【目的】
2
为了解决偏振不敏感光分束器带宽受限问题，文章提出了一种基于氮化硅（Si
3
N
4
）波导的超宽带偏振不敏感光分束器。
【方法】
2
所提光分束器采用绝热耦合波导结构设计，可在1 400~1 700 nm波长范围内实现横电（TE）模式和横磁（TM）模式的光均匀分束（光学带宽为300 nm）。
【结果】
2
在工作波长范围内，TE和TM模式的损耗分别小于0.10和0.15 dB。而且文章所提光分束器的结构尺寸小，仅为60.00 μm×2.75 μm，便于实现大规模集成。此外，文章还研究了所提光分束器各结构参数对器件性能的影响。
【结论】
2
仿真结果显示，各结构参数在±50 nm的范围内变化时，对光分束器的性能基本没有影响，表示该超宽带偏振不敏感光分束器具备较大的制备容差，易于制备。
Abstract
【Objective】
2
In order to solve the problem of the limited bandwidth of polarization insensitive optical power splitter
an ultra-broadband polarization insensitive optical power splitter based on Silicon Nitride (Si
3
N
4
) waveguide is proposed.
【Methods】
2
The ultra-broadband polarization insensitive optical power splitter is designed based on adiabatic coupling Si
3
N
4
waveguide.Optical bandwidth of 300 nm (from 1 400 ~ 1 700 nm) is demonstrated for both Transverse Electric (TE) and Transverse Magnetic (TM) modes.
【Results】
2
Over the entire optical bandwidth
the losses for TE and TM mode are less than 0.10 and 0.15 dB
respectively.The footprint of the proposed ultra-broadband polarization insensitive optical power splitter is only 60.00 μm×2.75 μm
which means that the optical power splitter can be used for large-scale integration.Furthermore
the relationship between the performance and the structure parameters of the proposed optical power splitter is studied.
【Conclusions】
2
The results show that the performance of the optical power splitter maintains almost unchanged by varying the structure parameters with ±50 nm.In other words
the optical power splitter possesses large fabrication tolerance which can be easily fabricated.
关键词
氮化硅波导光分束器偏振不敏感
Keywords
Si3N4 waveguideoptical power splitterpolarization insensitive
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Lumerical. Lumerical Solutions[EB/OL]. (2023-01-01)[2023-08-08]. http://www.lumerical.comhttp://www.lumerical.com.
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