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Updated: May 6, 2026

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基于PPLNN的自由空间到中小企业集成和绿色到C频段转换
Takahiro Kodama1, Kiichiro Kuwahara1, Ayumu Kariya1
1Faculty of Engineering and Design, Kagawa University, 2217-20 Hayashi-cho, Takamatsu 761-0396, Kagawa, Japan.
Sensors (Basel, Switzerland)
|January 8, 2025
概括
这项研究表明,使用周期极化酸 (PPLN) 来实现低损耗光纤传输,有效地将波长从518nm转换为1540nm. 这种基于PPLN的系统非常适合水传感和下一代光学传感器.
科学领域:
- 非线性光学是非线性光学.
- 光学工程是指光学工程.
- 光子学是指光子学的使用方法.
背景情况:
- 有效的波长转换对于光学传感和数据传输至关重要.
- 水和远距离传输对光学信号构成挑战.
- 标准单模纤维 (SMF) 在1540nm提供低损耗.
研究的目的:
- 为了展示一个基于周期极化的酸 (PPLN) 系统的自由空间到SMF波长转换.
- 为了实现从518nm到1540nm的高效下降转换,优化了水.
- 为了使光学传感器应用的标准SMF中实现低损耗传输.
主要方法:
- 使用周期性极化酸 (PPLN) 进行非线性光学转换.
- 用于波长转换的差异频率生成 (DFG).
- 实验测量了转换效率和光学信号噪声比.
主要成果:
- 从518nm到1540nm实现了1.6%的波长转换效率.
- 保持了10.4dB的接收光学信号与噪声比.
- 经过证明,高效的转化优化,在水中损失最小.
结论:
- 基于 PPLN 的波长转换是与光纤网络集成的可行解决方案.
- 该系统为下一代光学传感器系统提供了潜力,需要实时,低延迟的数据.
- 这一进步解决了远距离传输和光学遥感的宽线宽度源的挑战.
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