用于宽带DWDM交联应用的任意分割比率的快速合式合器
Daehan Choi1, Woo-Joo Kim1, Young-Ik Sohn1
1Korea Advanced Institute of Science and Technology, Daejeon 34141, Republic of Korea.
Nanophotonics (Berlin, Germany)
|September 19, 2025
概括
本研究介绍了用于灵活的电力分割的紧型和宽带快速附加电流合器 (RAC). 这些设备使得高效的密集波长分割多重复合 (DWDM) 间接器具有低交叉声和宽波长操作.
科学领域:
- 光子学和光学工程的工程.
- 集成光学 集成光学 集成光学
- 波导装置 波导装置 波导装置
背景情况:
- 快速增离子合器 (RAC) 是光子集成电路中的关键组件.
- 在RAC中实现任意的功率分割比率和宽带运行仍然是一个挑战.
- 现有的设计往往缺乏可扩展性和灵活性,用于密集波长分割多重复合 (DWDM) 应用.
研究的目的:
- 通过实验证明具有任意功率分割能力的紧和宽带RAC.
- 调查用于DWDM交联应用的RAC的性能.
- 展示基于RAC的光子集成电路的可扩展性和宽带潜力.
主要方法:
- 使用翻译偏移和波导宽度控制的组合制造RAC.
- 在宽波长范围 (160 nm) 上对功率分割比率的实验性表征.
- 使用制造的RAC实现和测试一个8通道DWDM交叉器.
主要成果:
- 在160nm带宽中,RAC实现了在设计目标的±3%以内的功率分割.
- 实施的8通道DWDM间接器对具有平顶传输带的中央通道显示了<-20dB的交叉声.
- 超过40个100 GHz间隔的频道的交叉通话保持在-10dB以下,证实了宽带能力.
结论:
- 展示的RAC为光子集成电路中的任意功率分割提供了多功能解决方案.
- 基于RAC的DWDM间接器显示出卓越的性能,包括低交叉声和宽带操作.
- 这项工作突出了RAC技术在先进光子应用中的可扩展性和潜力.
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