支持元结构的可扩展多模式顺序转换器:在直接访问的添加/丢弃多重复合系统中进行概念设计和演示
Zhenzhao Guo1,2, Weike Zhao2, Shengbao Wu3
1Institute of Micro/Nano Devices and Solar Cells, School of Physics and Information Engineering, Fuzhou University, Fuzhou 350108, China.
Nanophotonics (Berlin, Germany)
|December 22, 2025
概括
研究人员开发了一个可扩展的芯片上模式转换器,使用次波长网格. 这种新的设计通过高阶模式的高效操纵来增强光通信,克服现有技术的局限性.
科学领域:
- 光子学是指光子学的使用方法.
- 纳米技术纳米技术
- 光学通信是指光学通信.
背景情况:
- 多模式光子技术的进步需要芯片上的多模式顺序转换器 (MMOC).
- 现有的MMOC受到了有限的流量容量,极化依赖和可扩展性问题的困扰.
研究的目的:
- 提出一个新的,高度可扩展的MMOC设计框架.
- 为了使高级光学应用程序能够高效地操纵更高阶模式.
主要方法:
- 低波长格子 (SWG) 的元结构集成到逐渐定制的多模波导中.
- 协同使用连贯散射和光束成形用于模式激发和相位控制.
- 对特定模式操纵要求进行元结构优化.
主要成果:
- 在显著的带宽 (22 或 50 nm) 上实现了低插入损失 (< 1.85 dB) 和交叉声 (< -12.5 dB).
- 演示了两极分化独立的四模式操作.
- 开创了同时双对模式交换 (TE0TE2和TE1TE3),提高了效率.
- 集成到直接访问模式的添加/卸载系统 (DAMAD) 中,用于TE0/TE1双模式操作,ILs < 4.5 dB和CTs < -15.5 dB.
- 确认了32/64 Gbps的清晰眼睛图表的高速能力.
结论:
- 拟议的基于SWG的MMOC设计框架为芯片上模式操纵提供了可扩展和高效的解决方案.
- 这项技术对基于高阶模式的光通信和集成光子电路具有变革潜力.
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