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Coupled Ferroelectric-Photonic Memory in a Retinomorphic Hardware for In-Sensor Computing.

التفاصيل البيبلوغرافية
العنوان: Coupled Ferroelectric-Photonic Memory in a Retinomorphic Hardware for In-Sensor Computing.
المؤلفون: Duong NT; Department of Electrical and Computer Engineering, National University of Singapore, 4 Engineering Drive 3, Singapore, 117583, Singapore., Shi Y; Department of Electrical and Computer Engineering, National University of Singapore, 4 Engineering Drive 3, Singapore, 117583, Singapore., Li S; Department of Electrical and Computer Engineering, National University of Singapore, 4 Engineering Drive 3, Singapore, 117583, Singapore., Chien YC; Department of Electrical and Computer Engineering, National University of Singapore, 4 Engineering Drive 3, Singapore, 117583, Singapore., Xiang H; Department of Electrical and Computer Engineering, National University of Singapore, 4 Engineering Drive 3, Singapore, 117583, Singapore., Zheng H; Department of Electrical and Computer Engineering, National University of Singapore, 4 Engineering Drive 3, Singapore, 117583, Singapore., Li P; Department of Electrical and Computer Engineering, National University of Singapore, 4 Engineering Drive 3, Singapore, 117583, Singapore., Li L; Department of Electrical and Computer Engineering, National University of Singapore, 4 Engineering Drive 3, Singapore, 117583, Singapore., Wu Y; Department of Electrical and Computer Engineering, National University of Singapore, 4 Engineering Drive 3, Singapore, 117583, Singapore., Ang KW; Department of Electrical and Computer Engineering, National University of Singapore, 4 Engineering Drive 3, Singapore, 117583, Singapore.
المصدر: Advanced science (Weinheim, Baden-Wurttemberg, Germany) [Adv Sci (Weinh)] 2024 Mar; Vol. 11 (12), pp. e2303447. Date of Electronic Publication: 2024 Jan 17.
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: WILEY-VCH Country of Publication: Germany NLM ID: 101664569 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 2198-3844 (Electronic) Linking ISSN: 21983844 NLM ISO Abbreviation: Adv Sci (Weinh) Subsets: PubMed not MEDLINE; MEDLINE
أسماء مطبوعة: Original Publication: Weinheim : WILEY-VCH, [2014]-
مستخلص: The development of all-in-one devices for artificial visual systems offers an attractive solution in terms of energy efficiency and real-time processing speed. In recent years, the proliferation of smart sensors in the growth of Internet-of-Things (IoT) has led to the increasing importance of in-sensor computing technology, which places computational power at the edge of the data-flow architecture. In this study, a prototype visual sensor inspired by the human retina is proposed, which integrates ferroelectricity and photosensitivity in two-dimensional (2D) α-In 2 Se 3 material. This device mimics the functions of photoreceptors and amacrine cells in the retina, performing optical reception and memory computation functions through the use of electrical switching polarization in the channel. The gate-tunable linearity of excitatory and inhibitory functions in photon-induced short-term plasticity enables to encode and classify 12 000 images in the Mixed National Institute of Standards and Technology (MNIST) dataset with remarkable accuracy, achieving ≈94%. Additionally, in-sensor convolution image processing through a network of phototransistors, with five convolutional kernels electrically pre-programmed into the transistors is demonstrated. The convoluted photocurrent matrices undergo straightforward arithmetic calculations to produce edge and feature-enhanced scenarios. The findings demonstrate the potential of ferroelectric α-In 2 Se 3 for highly compact and efficient retinomorphic hardware implementation, regardless of ambipolar transport in the channel.
(© 2023 The Authors. Advanced Science published by Wiley‐VCH GmbH.)
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معلومات مُعتمدة: MOE-T2EP50120-0016 Ministry of Education Tier-1 and Tier-2; NRF-CRP24-2020-0002 National Research Foundation, Singapore; A2083c0061 A*STAR Science and Engineering Research Council
فهرسة مساهمة: Keywords: convolution image processing; ferroelectric semiconductors; in‐sensor computing; optoelectronic memory; retinomorphic sensors
تواريخ الأحداث: Date Created: 20240118 Latest Revision: 20240329
رمز التحديث: 20240329
مُعرف محوري في PubMed: PMC10966535
DOI: 10.1002/advs.202303447
PMID: 38234245
قاعدة البيانات: MEDLINE
الوصف
تدمد:2198-3844
DOI:10.1002/advs.202303447