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Field-programmable photonic nonlinearity

delete2025-04-15
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DOI:10.1038/s41566-025-01660-xdelete
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摘要

摘要

En 中文
在人工智能发展的推动下,过去十年中对现场可编程设备的需求迅速增长。在各种尖端平台中,可编程集成光子学脱颖而出,成为有前景的候选方案,提供了一种显著提升数据密集型任务计算能力的新策略。然而,电介质材料固有的弱非线性响应将传统光子可编程性限制在线性领域,无法涵盖人工智能中常用且复杂的激活函数。在此,我们通过在活性半导体中对分布式载流子激发及其动态进行精密的空间控制,将光子场可编程能力拓展到非线性领域。借助多项式构建模块的光子非线性计算架构,我们的现场可编程光子非线性微处理器演示了对光子多项式网络的现场训练,并实现了非线性连接的动态重构。我们的结果表明,这是一种新的范式,可革新光子可重构计算,使利用多项式网络处理复杂任务时具有前所未有的简洁性和效率。

期刊

Nature Photonics 封面图
Nature Photonics
IF:
32.9
论文数:
4.3K
被引数:
6.1W

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