概括
我们开发了一个紧的4x4全光学单元转换器,使用非均的多模干扰在-酸在绝缘体平台上. 该设备使宽带运行具有低损失和交叉通话,用于光学信号处理.
科学领域:
- 光子学是指光子学的使用方法.
- 集成光学 集成光学 集成光学
- 光学信号处理 视觉信号处理
背景情况:
- 多输入多输出 (MIMO) 光学信号处理对于先进的通信系统至关重要.
- 全光学单元转换器 (OUC) 是执行复杂光学转换的关键组件.
- 现有的OUC通常面临带宽,大小或插入损失的限制.
研究的目的:
- 提出和演示一个可重新配置的4x4 MIMO OUC.
- 与以前的设计相比,提高运营带宽并减少设备足迹.
- 为了利用-酸在绝缘体 (LNOI) 平台实现高性能集成光学.
主要方法:
- 使用非统一的多模干扰 (nMMI) 合器来取代传统的统一的MMI合器.
- 在LNOI平台上设计和制造了一个4x4的OUC.
- 描述了设备的性能,包括损失,交叉通话和操作带宽.
主要成果:
- 实现了可重新配置的四种模式解复杂功能.
- 在100 nm波长范围内 (1520 nm至1620 nm) 证明了宽带运行.
- 呈现低波长依赖损失 (<3dB) 和低交叉声 (<-17.3dB).
- 在1550 nm时实现了~0.21 dB/合器的低插入损失.
结论:
- 拟议的nMMI-OUC在带宽,紧性和低损耗方面提供了显著的优势.
- LNOI平台适用于制造高性能集成光学设备.
- 这种nMMI-OUC是未来可重新配置的光学信号处理系统的一个有前途的基石.
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