Ultrafast silicon photonic reservoir computing engine delivering over 200 TOPS

Abstract Reservoir computing (RC) is a powerful machine learning algorithm for information processing. Despite numerous optical implementations, its speed and scalability remain limited by the need to establish recurrent connections and achieve efficient optical nonlinearities. This work proposes a...

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Main Authors: Dongliang Wang, Yikun Nie, Gaolei Hu, Hon Ki Tsang, Chaoran Huang
Format: Article
Language:English
Published: Nature Portfolio 2024-12-01
Series:Nature Communications
Online Access:https://doi.org/10.1038/s41467-024-55172-3
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author Dongliang Wang
Yikun Nie
Gaolei Hu
Hon Ki Tsang
Chaoran Huang
author_facet Dongliang Wang
Yikun Nie
Gaolei Hu
Hon Ki Tsang
Chaoran Huang
author_sort Dongliang Wang
collection DOAJ
description Abstract Reservoir computing (RC) is a powerful machine learning algorithm for information processing. Despite numerous optical implementations, its speed and scalability remain limited by the need to establish recurrent connections and achieve efficient optical nonlinearities. This work proposes a streamlined photonic RC design based on a new paradigm, called next-generation RC, which overcomes these limitations. Our design leads to a compact silicon photonic computing engine with an experimentally demonstrated processing speed of over 60 GHz. Experimental results demonstrate state-of-the-art performance in prediction, emulation, and classification tasks across various machine learning applications. Compared to traditional RC systems, our silicon photonic RC engine offers several key advantages, including no speed limitations, a compact footprint, and a high tolerance to fabrication errors. This work lays the foundation for ultrafast on-chip photonic RC, representing significant progress toward developing next-generation high-speed photonic computing and signal processing.
format Article
id doaj-art-167e22ff04404bb69afbf9440686ca35
institution Kabale University
issn 2041-1723
language English
publishDate 2024-12-01
publisher Nature Portfolio
record_format Article
series Nature Communications
spelling doaj-art-167e22ff04404bb69afbf9440686ca352025-01-05T12:35:51ZengNature PortfolioNature Communications2041-17232024-12-0115111110.1038/s41467-024-55172-3Ultrafast silicon photonic reservoir computing engine delivering over 200 TOPSDongliang Wang0Yikun Nie1Gaolei Hu2Hon Ki Tsang3Chaoran Huang4Department of Electronic Engineering, The Chinese University of Hong KongDepartment of Electronic Engineering, The Chinese University of Hong KongDepartment of Electronic Engineering, The Chinese University of Hong KongDepartment of Electronic Engineering, The Chinese University of Hong KongDepartment of Electronic Engineering, The Chinese University of Hong KongAbstract Reservoir computing (RC) is a powerful machine learning algorithm for information processing. Despite numerous optical implementations, its speed and scalability remain limited by the need to establish recurrent connections and achieve efficient optical nonlinearities. This work proposes a streamlined photonic RC design based on a new paradigm, called next-generation RC, which overcomes these limitations. Our design leads to a compact silicon photonic computing engine with an experimentally demonstrated processing speed of over 60 GHz. Experimental results demonstrate state-of-the-art performance in prediction, emulation, and classification tasks across various machine learning applications. Compared to traditional RC systems, our silicon photonic RC engine offers several key advantages, including no speed limitations, a compact footprint, and a high tolerance to fabrication errors. This work lays the foundation for ultrafast on-chip photonic RC, representing significant progress toward developing next-generation high-speed photonic computing and signal processing.https://doi.org/10.1038/s41467-024-55172-3
spellingShingle Dongliang Wang
Yikun Nie
Gaolei Hu
Hon Ki Tsang
Chaoran Huang
Ultrafast silicon photonic reservoir computing engine delivering over 200 TOPS
Nature Communications
title Ultrafast silicon photonic reservoir computing engine delivering over 200 TOPS
title_full Ultrafast silicon photonic reservoir computing engine delivering over 200 TOPS
title_fullStr Ultrafast silicon photonic reservoir computing engine delivering over 200 TOPS
title_full_unstemmed Ultrafast silicon photonic reservoir computing engine delivering over 200 TOPS
title_short Ultrafast silicon photonic reservoir computing engine delivering over 200 TOPS
title_sort ultrafast silicon photonic reservoir computing engine delivering over 200 tops
url https://doi.org/10.1038/s41467-024-55172-3
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AT honkitsang ultrafastsiliconphotonicreservoircomputingenginedeliveringover200tops
AT chaoranhuang ultrafastsiliconphotonicreservoircomputingenginedeliveringover200tops