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Updated: Jul 9, 2026

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薄膜酸光子数字-模拟转换器具有频率交叉结构

Yuanchao Jin, Jinghan Yu, Mian Wang

|August 2, 2025

概括

这项研究引入了一种新型的薄膜酸光子数字对模拟转换器 (PDAC),具有频率间接结构. 这种新设备实现了卓越的信号生成性能,克服了以前集成PDAC的局限性.

科学领域:

光子学是指光子学的使用方法.
集成光学集成光学集成光学
电子系统电子系统

背景情况:

集成光子数字对模拟转换器 (PDAC) 与离散设备相比,提供了尺寸和稳定性的优势.
调制器和光电探测器的非线性方程检测限制了连贯集成PDAC中的虚假水平.

研究的目的:

提出和演示一种具有频率交叉结构 (TFLN-FI-PDAC) 的新型薄膜酸光子数字-模拟转换器.
利用TFLN平台的电光调制线性来提高PDAC的性能.

主要方法:

使用薄膜基酸盐 (TFLN) 平台用于设备制造.
在TFLN PDAC中实施了频率间隔结构.
实验生成的单调,四调和线性频率调制 (LFM) 信号.

主要成果:

在单调和四调信号生成中,实现了超过47dB的无伪动态范围 (SFDR).
产生了一个4GHz带宽线性频率调制 (LFM) 信号.
计算的信号与杂乱比 (SCR) 在LFM信号中超过50dB.

结论:

拟议的TFLN-FI-PDAC显著提高了线性和虚假性能.
这种新的设备架构有效地解决了传统集成PDAC的局限性.
TFLN平台非常适合用于高性能集成光子信号生成.

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