Abstract
Neural networks have enabled applications in artificial intelligence through machine learning, and neuromorphic computing. Software implementations of neural networks on conventional computers that have separate memory and processor (and that operate sequentially) are limited in speed and energy efficiency. Neuromorphic engineering aims to build processors in which hardware mimics neurons and synapses in the brain for distributed and parallel processing. Neuromorphic engineering enabled by photonics (optical physics) can offer sub-nanosecond latencies and high bandwidth with low energies to extend the domain of artificial intelligence and neuromorphic computing applications to machine learning acceleration, nonlinear programming, intelligent signal processing, etc. Photonic neural networks have been demonstrated on integrated platforms and free-space optics depending on the class of applications being targeted. Here, we discuss the prospects and demonstrated applications of these photonic neural networks.
Original language | English (US) |
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Article number | 1981155 |
Journal | Advances in Physics: X |
Volume | 7 |
Issue number | 1 |
DOIs | |
State | Published - 2022 |
All Science Journal Classification (ASJC) codes
- General Physics and Astronomy
Keywords
- Photonic neural networks
- artificial intelligence
- machine learning
- neuromorphic computing
- neuromorphic photonics
- silicon photonics