具有低随机相位误差的12通道局域网波长分割多重处理器
Optics express
|August 13, 2025
概括
研究人员开发了一种12通道化波长分裂多重复合器 (WDM),其相位误差显著减少. 这一进步提高了光通信容量和性能,无需校准.
科学领域:
- 光子学和光学工程 光子学和光学工程
- 材料科学 材料科学 材料科学
背景情况:
- 波长分割复杂化 (WDM) 对于高容量的光通信至关重要.
- 化 (SiN) 由于其低的热光系数和透明度,为光子集成电路提供了优势.
研究的目的:
- 在化平台上演示一个12通道的WDM设备.
- 为了最大限度地减少马赫-泽恩德干扰仪的随机相位误差,以提高设备性能.
- 展示化在先进光通信组件中的潜力.
主要方法:
- 在300纳米厚的化平台上使用马赫-泽恩德干扰仪制造12通道的WDM.
- 对干扰仪中的相位误差贡献者的详细分析.
- 实施有针对性的结构优化,以减轻相位错误.
主要成果:
- 实现了70%的随机相位错误减少.
- 显示出卓越的设备性能: -0.87dB插入损失, -17dB交叉声和2.3nm 1-dB带宽.
- 观察到高的制造公差 (22 pm/nm) 和优异的芯片内和芯片间可重复性.
- 由于化的特性,估计低温依赖的中心波长转移 (11 pm/K).
结论:
- 开发的化WDM表现出卓越的性能和可重复性.
- 结构优化有效地减少相位错误,增强设备的功能.
- 这项工作强调化是高容量,被动光通信设备的有希望的材料.
相关概念视频
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