All-optical spiking neurosynaptic networks with self-learning capabilities.
Nature
; 569(7755): 208-214, 2019 05.
Article
en En
| MEDLINE
| ID: mdl-31068721
ABSTRACT
Software implementations of brain-inspired computing underlie many important computational tasks, from image processing to speech recognition, artificial intelligence and deep learning applications. Yet, unlike real neural tissue, traditional computing architectures physically separate the core computing functions of memory and processing, making fast, efficient and low-energy computing difficult to achieve. To overcome such limitations, an attractive alternative is to design hardware that mimics neurons and synapses. Such hardware, when connected in networks or neuromorphic systems, processes information in a way more analogous to brains. Here we present an all-optical version of such a neurosynaptic system, capable of supervised and unsupervised learning. We exploit wavelength division multiplexing techniques to implement a scalable circuit architecture for photonic neural networks, successfully demonstrating pattern recognition directly in the optical domain. Such photonic neurosynaptic networks promise access to the high speed and high bandwidth inherent to optical systems, thus enabling the direct processing of optical telecommunication and visual data.
Texto completo:
1
Colección:
01-internacional
Banco de datos:
MEDLINE
Asunto principal:
Reconocimiento de Normas Patrones Automatizadas
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Redes Neurales de la Computación
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Fotones
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Biomimética
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Aprendizaje Automático Supervisado
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Aprendizaje Automático no Supervisado
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Modelos Neurológicos
Idioma:
En
Revista:
Nature
Año:
2019
Tipo del documento:
Article
País de afiliación:
Alemania