Optical neural networks: progress and challenges

T Fu, J Zhang, R Sun, Y Huang, W Xu, S Yang… - Light: Science & …, 2024 - nature.com
Artificial intelligence has prevailed in all trades and professions due to the assistance of big
data resources, advanced algorithms, and high-performance electronic hardware. However …

Artificial neural networks for photonic applications—from algorithms to implementation: tutorial

P Freire, E Manuylovich, JE Prilepsky… - Advances in Optics and …, 2023 - opg.optica.org
This tutorial–review on applications of artificial neural networks in photonics targets a broad
audience, ranging from optical research and engineering communities to computer science …

Fully forward mode training for optical neural networks

Z Xue, T Zhou, Z Xu, S Yu, Q Dai, L Fang - Nature, 2024 - nature.com
Optical computing promises to improve the speed and energy efficiency of machine learning
applications,,,,–. However, current approaches to efficiently train these models are limited by …

Partial coherence enhances parallelized photonic computing

B Dong, F Brückerhoff-Plückelmann, L Meyer, J Dijkstra… - Nature, 2024 - nature.com
Advancements in optical coherence control,,,–have unlocked many cutting-edge
applications, including long-haul communication, light detection and ranging (LiDAR) and …

Direct electromagnetic information processing with planar diffractive neural network

Z Gu, Q Ma, X Gao, JW You, TJ Cui - Science Advances, 2024 - science.org
Diffractive neural network in electromagnetic wave–driven system has attracted great
attention due to its ultrahigh parallel computing capability and energy efficiency. However …

Determining the optimal communication channels of arbitrary optical systems using integrated photonic processors

SM SeyedinNavadeh, M Milanizadeh, F Zanetto… - Nature …, 2024 - nature.com
Modes of propagation through an optical system are generally defined as the eigensolutions
of the wave equation in the system. When propagation occurs through complicated or highly …

120 GOPS Photonic tensor core in thin-film lithium niobate for inference and in situ training

Z Lin, BJ Shastri, S Yu, J Song, Y Zhu… - Nature …, 2024 - nature.com
Photonics offers a transformative approach to artificial intelligence (AI) and neuromorphic
computing by enabling low-latency, high-speed, and energy-efficient computations …

Super-resolution diffractive neural network for all-optical direction of arrival estimation beyond diffraction limits

S Gao, H Chen, Y Wang, Z Duan, H Zhang… - Light: Science & …, 2024 - nature.com
Wireless sensing of the wave propagation direction from radio sources lays the foundation
for communication, radar, navigation, etc. However, the existing signal processing paradigm …

Freeform direct-write and rewritable photonic integrated circuits in phase-change thin films

C Wu, H Deng, YS Huang, H Yu, I Takeuchi… - Science …, 2024 - science.org
Photonic integrated circuits (PICs) with rapid prototy** and reprogramming capabilities
promise revolutionary impacts on a plethora of photonic technologies. We report direct-write …

Control-free and efficient integrated photonic neural networks via hardware-aware training<? TeX\break?> and pruning

T Xu, W Zhang, J Zhang, Z Luo, Q **ao, B Wang, M Luo… - Optica, 2024 - opg.optica.org
Integrated photonic neural networks (PNNs) are at the forefront of AI computing, leveraging
light's unique properties, such as large bandwidth, low latency, and potentially low power …