基于MPLC的低模态交叉通话九模组去多重处理器,用于在MMF上无需DSP的IM/DD MDM传输
Applied optics
|June 10, 2024
概括
本研究介绍了一种使用多平面光转换 (MPLC) 进行多模光纤 (MMF) 的新型模式组解复合器. 这项技术提高了光学互连能力,低交叉通话,以实现经济高效的通信系统.
科学领域:
- 光学通信是指光学通信.
- 光子学 是一个光子学.
- 光纤光学是指光纤的使用.
背景情况:
- 模式划分多重复合 (MDM) 为使用多模光纤 (MMF) 的短距离光学互连提供了增强的容量.
- 与成本效益高的强度调制/直接检测 (IM/DD) 收发器的兼容性需要MMF的高效模式组解复器.
研究的目的:
- 建议并演示一个可扩展的,低模态交叉模态组解复器为货币市场基金.
- 为了使IM/DD系统在MMF中同时接收模式组.
主要方法:
- 使用多平面光转换 (MPLC) 将输入的赫米特-高斯 (HG) 模式转换为桥接模式.
- 将退化模式组合映射到不同的HG00模式,具有垂直方向,用于同时检测.
- 使用MPLC设计一个9模式组去多重复制器,使用的相口罩少于20个.
主要成果:
- 基于MPLC的解倍器在1550nm时实现低模态交叉声低于-22.3dB.
- 性能保持低交叉声 (低于-17.9 dB) 在C频段所有九种模式组.
- 解复合器设计仅使用16个相口罩.
结论:
- 在MMF中,MPLC提供了一种有效的模式-组去多倍化方法.
- 拟议的除器具有可扩展性,并且与现有的货币市场基金基础设施兼容.
- 这项技术显著提升了短距离光学网络的容量增强.
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