Optical computing: Status and perspectives

NL Kazanskiy, MA Butt, SN Khonina - Nanomaterials, 2022 - mdpi.com
For many years, optics has been employed in computing, although the major focus has been
and remains to be on connecting parts of computers, for communications, or more …

Metasurface-enabled on-chip multiplexed diffractive neural networks in the visible

X Luo, Y Hu, X Ou, X Li, J Lai, N Liu, X Cheng… - Light: Science & …, 2022 - nature.com
Replacing electrons with photons is a compelling route toward high-speed, massively
parallel, and low-power artificial intelligence computing. Recently, diffractive networks …

Recent progress of neuromorphic computing based on silicon photonics: Electronic–photonic Co-design, device, and architecture

B Xu, Y Huang, Y Fang, Z Wang, S Yu, R Xu - Photonics, 2022 - mdpi.com
The rapid development of neural networks has led to tremendous applications in image
segmentation, speech recognition, and medical image diagnosis, etc. Among various …

Deep learning-enabled compact optical trigonometric operator with metasurface

Z Zhao, Y Wang, C Guan, K Zhang, Q Wu, H Li, J Liu… - PhotoniX, 2022 - Springer
In this paper, a novel strategy based on a metasurface composed of simple and compact
unit cells to achieve ultra-high-speed trigonometric operations under specific input values is …

Dual-polarization analog 2D image processing with nonlocal metasurfaces

H Kwon, A Cordaro, D Sounas, A Polman, A Alù - ACS Photonics, 2020 - ACS Publications
Optical analog computing using metasurfaces has been the subject of numerous studies,
aimed at implementing highly efficient and ultrafast image processing in a compact device …

Generalized optical signal processing based on multioperator metasurfaces synthesized by susceptibility tensors

A Momeni, H Rajabalipanah, A Abdolali, K Achouri - Physical Review Applied, 2019 - APS
This paper theoretically proposes a multichannel nonlocal metasurface computer
characterized by generalized sheet transition conditions (GSTCs) and surface susceptibility …

Polarization-independent isotropic nonlocal metasurfaces with wavelength-controlled functionality

OY Long, C Guo, W Jin, S Fan - Physical Review Applied, 2022 - APS
Flat optics has demonstrated great advances in miniaturizing conventional bulky optical
elements due to recent developments in metasurface design. Specific applications of such …

Performing mathematical operations using high-index acoustic metamaterials

F Zangeneh-Nejad, R Fleury - New Journal of Physics, 2018 - iopscience.iop.org
The recent breakthrough in metamaterial-based optical computing devices (2014 Science
343 160) has inspired a quest for similar systems in acoustics, performing mathematical …

Nanosystems, edge computing, and the next generation computing systems

A Passian, N Imam - Sensors, 2019 - mdpi.com
It is widely recognized that nanoscience and nanotechnology and their subfields, such as
nanophotonics, nanoelectronics, and nanomechanics, have had a tremendous impact on …

Phase-controlled metasurface design via optimized genetic algorithm

Y Fan, Y Xu, M Qiu, W Jin, L Zhang, EY Lam… - …, 2020 - degruyter.com
Abstract In an optical Pancharatnam-Berry (PB) phase metasurface, each sub-wavelength
dielectric structure of varied spatial orientation can be treated as a point source with the …