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    科学领域:

    • 视觉通信系统工程 视觉通信系统工程
    • 光子和光学设备的光学和光学设备.
    • 信息和通信技术信息和通信技术

    背景情况:

    • 未来的超高容量光纤通信系统需要超越传统的波长分割多重复合 (WDM) 的先进的多重复合技术.
    • 空间和模式分区复杂化 (MDM) 提供了显著增加数据传输能力的途径.
    • 对于MDM系统的一个关键组件是能够选择性地路由不同的空间和光学模式的开关.

    研究的目的:

    • 提出并实验证明一个自由空间空间和光学模式选择开关 (SMSS).
    • 为了实现转换轨道角动量 (OAM) 模式划分多重复合 (MDM) 系统.
    • 为了实现大量空间和OAM通道的严格非阻断切换.

    主要方法:

    • 设计了一个自由空间SMSS,包括一个模式分离单元和一个模式重组单元.
    • 分离部分将OAM模式转换为不同的空间模式.
    • 重组部分选择并将这些空间模式路由到所需的输出通道.

    主要成果:

    • 成功演示了OAM-MDM的自由空间SMSS.
    • 该开关实施严格的非阻断开关.
    • 该系统支持36个频道,配置为四个空间频道,每个带有九个OAM模式.

    结论:

    • 拟议的自由空间SMSS是未来超高容量光通信系统的可行和有效组件.
    • 这项技术促进了先进的空间和模式分割多重复合.
    • 对可扩展的MDM网络来说,证明的非阻断交换能力至关重要.