概括
这项研究介绍了一种新型的低损失波导缩合器,用于O波段波长分割多重复合 (WDM) 设备. 使用FDTD进行了优化,它实现了最小的插入损失,以实现高效的光纤到波导合.
科学领域:
- 光子学和光学工程的工程.
- 纳米技术纳米技术
- 材料科学 材料科学 材料科学
背景情况:
- 高性能数据中心推动了对O波段波长分割多重复合 (WDM) 设备的需求.
- 尽量减少插入损失对于光纤和微/纳米尺度波导之间的高效合至关重要.
研究的目的:
- 为O频段应用提出和优化一种新型的低损耗波导线缩合器.
- 为了提高光纤和芯片上的波导之间的合效率.
主要方法:
- 一个垂直放置的双层肋骨收缩器的设计,并配备一个级联的倒置收缩器结构.
- 使用有限域时间划分 (FDTD) 模拟,优化关键参数,包括尺寸,高度比和形形状.
- 通过波导宽度逐渐缩小,减少模式大小的adiabatic.
主要成果:
- 在1310nm时实现了0.06dB的超低插入损失.
- 设备长度优化为513.4微米.
- 证明了高效的光纤到波导合,使用双阶段的平面内合器.
结论:
- 拟议的形合器为O波段WDM系统的低损耗合提供了一个高效的解决方案.
- 该设计将足迹最小化,同时保持高合效率.
- 这一进步支持了紧和高性能光子集成电路的开发.
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