光纤中的亚纳秒全光可重构光子学

IF 14.7 1区 综合性期刊 Q1 MULTIDISCIPLINARY SCIENCES
Kunhao Ji, David J. Richardson, Stefan Wabnitz, Massimiliano Guasoni
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引用次数: 0

摘要

可重构光子系统为动态、按需控制和切换提供了一个多功能平台。本文介绍了一种多模多芯光纤全光平台。通过使用低功率探测光束和反传播控制光束,我们实现了对光纤内光传播的动态控制。这种设置确保了所有探针控制光束四波混频相互作用的同步相位匹配,通过调整控制光束功率实现探针模态的全光重构。关键操作,如完全可调谐功率分裂和模式转换,核心到核心切换和组合,以及远程探针表征,在亚纳秒时间尺度上进行了演示。我们的实验结果得到了一个理论模型的支持,该模型扩展到具有任意数量的模式和芯的光纤。在一个平台上实现这些操作强调了其多功能性,这是下一代节能光子系统的关键特征。将这种方法扩展到高度非线性材料可以为光学计算和机器学习的光子可编程硬件提供基础。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Sub-nanosecond all-optically reconfigurable photonics in optical fibres

Sub-nanosecond all-optically reconfigurable photonics in optical fibres

Reconfigurable photonic systems provide a versatile platform for dynamic, on-demand control and switching. Here we introduce an all-optical platform in multimode and multicore fibres. By using a low-power probe beam and a counter-propagating control beam, we achieve dynamic control over light propagation within the fibres. This setup ensures simultaneous phase-matching of all probe-control beam four-wave mixing interactions, enabling all-optical reconfiguration of the probe modal state by tuning the control beam power. Key operations such as fully tuneable power splitting and mode conversion, core-to-core switching and combination, along with remote probe characterization, are demonstrated at the sub-nanosecond time scale. Our experimental results are supported by a theoretical model that extends to fibres with an arbitrary number of modes and cores. The implementation of these operations in a single platform underlines its versatility, a critical feature of next-generation energy-efficient photonic systems. Scaling this approach to highly nonlinear materials could underpin photonic programmable hardware for optical computing and machine learning.

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来源期刊
Nature Communications
Nature Communications Biological Science Disciplines-
CiteScore
24.90
自引率
2.40%
发文量
6928
审稿时长
3.7 months
期刊介绍: Nature Communications, an open-access journal, publishes high-quality research spanning all areas of the natural sciences. Papers featured in the journal showcase significant advances relevant to specialists in each respective field. With a 2-year impact factor of 16.6 (2022) and a median time of 8 days from submission to the first editorial decision, Nature Communications is committed to rapid dissemination of research findings. As a multidisciplinary journal, it welcomes contributions from biological, health, physical, chemical, Earth, social, mathematical, applied, and engineering sciences, aiming to highlight important breakthroughs within each domain.
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