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Temporal point-by-point arbitrary waveform synthesis beyond tera sample per second

delete2025-03-21
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OA
AI
Y
Yiran Guan
G
Guangying Wang
郅
郅燕燕 (Yanyan Zhi)
J
Jingxu Chen
李灵芝 封面图
李灵芝 (Lingzhi Li)
J
Jiejun Zhang
Jianping YAO 封面图
Jianping YAO (Jianping Yao) *
DOI:10.1038/s41467-025-58052-6delete
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摘要

摘要

En 中文
任意波形合成器在现代信息技术中不可或缺,但电子类合成器受限于模数转换器的速度,仅能达到数百吉采样每秒(GSa/s)。尽管光子辅助合成器有望突破这一上限,但可扩展性和可重构性仍面临挑战。本文提出了一种超越太采样每秒(TSa/s)的时域逐点任意波形合成器,利用光子合成维度的光学时域游标卡尺。该系统结合锁模激光器和光纤环路,通过利用脉冲周期与光纤环路往返延迟之间的微小失谐来控制合成波形的采样率。实验展示了生成具有超高、可调采样率的波形,最高达1 TSa/s,比当前最先进的电子合成器高出约一个数量级。此外,该系统支持高达10.4千点的存储深度。作为应用实例,演示了高速无线通信通信波形的生成以及用于高分辨率多目标检测的线性调频微波波形的生成。
Keyword:
GENERATION
LIDAR

期刊

Nature Communications 封面图
Nature Communications
IF:
15.7
论文数:
9.4W
被引数:
91.2W

机构

U
Univ Ottawa
学者数:
1.1K
论文数: 754
被引数: 186
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