光子学集成的太赫兹传输线路
Yazan Lampert1,2, Amirhassan Shams-Ansari3,4, Aleksei Gaier5,6
1Hybrid Photonics Laboratory, École Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland. yazan.lampert@epfl.ch.
Nature communications
|July 30, 2025
概括
研究人员开发了使用薄膜酸 (TFLN) 的新型光子电路,用于高效的太赫兹 (THz) 生成和检测. 这些微型设备提供广泛的带宽和精确的控制,推进通信和传感THz技术.
科学领域:
- 光子学和太赫兹科学
- 集成光学 集成光学 集成光学
- 材料科学 材料科学 材料科学
背景情况:
- 现代通信需要访问太赫兹 (THz) 区域 (100 GHz10 THz),以获得更大的带宽.
- 集成电子在更高的频率上面临挑战,并且缺乏直接的光学连接.
- 现有的电光学方法受到批量晶体或亚THz带宽的限制,阻碍了微型化.
研究的目的:
- 克服THz生成和检测方面的局限性.
- 开发用于THz范围的小型化,集成光子设备.
- 为了实现低噪音,宽带宽THz应用.
主要方法:
- 在薄膜基酸盐 (TFLN) 上集成太赫兹传输线路的光子电路的实现.
- 使用TFLN进行太赫兹场封闭和相匹配光学相互作用.
- 利用光子学来控制THz信号的低损失,高速控制.
主要成果:
- 展示了小型的设备,用于产生和检测四个八度的太赫兹 (200GHz到>3THz).
- 实现了低噪音性能和宽带宽的能力.
- 展示了对太赫兹频谱和振幅的精确控制.
结论:
- 开发的TFLN光子平台可以实现紧的,节能的THz设备.
- 这项技术弥合了THz应用的光学和微波领域之间的差距.
- 潜在的应用包括电信,光谱学,量子电力学和计算.
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