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高速集成聚光学调制器,带宽为3GHz,波长范围为5-9微米

Javier Huertas-Pedroche, Victor Turpaud, Luca Lucia

|November 11, 2025

概括

我们开发了一种用于集成光谱的新型中红外电光调制器. 该设备可实现高速操作和广泛的光谱范围,从而提升了芯片上传感能力.

科学领域:

光子学和光谱学在光子学和光谱学.
集成光学集成光学集成光学
半导体设备半导体设备

背景情况:

中红外 (中红外) 光谱对于化学和生物分析至关重要.
对紧的,具有成本效益的集成系统的需求正在增加.
集成电光调制器是先进光谱技术的关键.

研究的目的:

为了介绍一个新的波导集成电光调制器.
为了证明其在广泛的中红外光谱范围内运行.
为了评估其在芯片上的光谱应用中的性能.

主要方法:

使用一个嵌入在等级和波导中的Schottky二极管.
利用自由载体血吸收效应进行调制.
采用两种方法来评估高速运行和光学带宽.

主要成果:

在5至9微米波长的广泛光谱范围内实现了操作.
在9μm时显示的灭绝比率高达1.9dB.
获得高速度运行至7GHz,光学带宽约为3GHz.

结论:

开发的调制器是中红外集成光子学的一个重大进步.
它为高性能芯片上光谱系统铺平了道路.
允许改进化学和生物表征技术.

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