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带有石墨烯的LiNbO₃定向合器:特性和潜在的应用

Yifan Liu¹, Fei Lu¹, Hui Hu²

¹School of Information Science and Engineering, Shandong University, Qingdao 266237, China.

Nanomaterials (Basel, Switzerland)

|July 25, 2025

概括

在酸波导中整合石墨烯可以改善光控制,并显示出高温灵敏度. 这些石墨烯-LN混合装置为先进的光子电路和传感应用提供了潜力.

科学领域:

综合光子学综合光子学
材料科学材料科学材料科学
纳米技术纳米技术

背景情况:

酸 (LiNbO3,LN) 由于其电光特性,是集成光子学的一个关键材料.
石墨烯具有独特的电子和光学特性,有可能用于设备增强.
开发混合材料可以带来新的光子功能.

研究的目的:

为了研究石墨烯集成对尼酸盐 (LN) 脊波导和定向合器的影响.
分析合效率,光吸收和温度灵敏度的变化.
探索石墨烯-LN混合装置在光子应用中的潜力.

主要方法:

用石墨烯装载的LN波导的实验制造.
合效率和偏振依赖吸收的光学特征.
设备性能的温度依赖测量.
在混合结构中模拟光学模式行为.

主要成果:

石墨烯集成显著改变了LN波导的有效模式折射率.
实现了增强的波导合和精确控制光传输.
石墨烯-LN结构表现出强烈的热敏度,影响了输出功率比率.
由于石墨烯负载,观察到偏振依赖的光吸收.

结论:

石墨烯-LN混合装置展示了对紧,高性能光子电路的潜力.
观察到的热敏度使得这些设备适合用于温度传感.
结果为设计用于光通信和量子技术的先进集成光子系统提供了洞察力.

关键词:

这就是LiNbO3的含量.合效率的效率合效率的合效率石墨烯是一种石墨烯.温度取决于温度的依赖.

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