Results 31 to 40 of about 4,283,891 (213)

Computing metasurfaces for all-optical image processing: a brief review

open access: yesNanophotonics, 2022
Computing metasurfaces are two-dimensional artificial nanostructures capable of performing mathematical operations on the input electromagnetic field, including its amplitude, phase, polarization, and frequency distributions.
He Shanshan, Wang Ruisi, Luo Hailu
doaj   +1 more source

Analog readout for optical reservoir computers

open access: yesCoRR, 2012
Reservoir computing is a new, powerful and flexible machine learning technique that is easily implemented in hardware. Recently, by using a time-multiplexed architecture, hardware reservoir computers have reached performance comparable to digital implementations.
Smerieri, Anteo   +5 more
openaire   +4 more sources

Reciprocal Metasurfaces for On-axis Reflective Optical Computing [PDF]

open access: yes, 2021
Analog computing has emerged as a promising candidate for real-time and parallel continuous data processing. This paper presents a reciprocal way for realizing asymmetric optical transfer functions (OTFs) in the reflection side of the on-axis processing ...
Rajabalipanah, Hamid   +13 more
core   +1 more source

Parallel wave-based analog computing using metagratings

open access: yesNanophotonics, 2022
Wave-based signal processing has witnessed a significant expansion of interest in a variety of science and engineering disciplines, as it provides new opportunities for achieving high-speed and low-power operations.
Rajabalipanah Hamid   +4 more
doaj   +1 more source

Optical Computing: Status and Perspectives

open access: yesNanomaterials, 2022
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 fundamentally in systems that have some optical function or element (optical pattern ...
Nikolay L. Kazanskiy   +2 more
doaj   +1 more source

Switchable and Simultaneous Spatiotemporal Analog Computing with Computational Graphene-based Multilayers [PDF]

open access: yesCarbon, 2021
Optical wave-based computing has enabled the realization of real-time information processing in both space and time domains. In the past few years, analog computing has experienced rapid development but mostly for a single function. Motivated by parallel
A. Momeni, Kasra Rouhi, R. Fleury
semanticscholar   +1 more source

Dynamic Precision Analog Computing for Neural Networks [PDF]

open access: yesIEEE Journal of Selected Topics in Quantum Electronics, 2021
Analog electronic and optical computing exhibit tremendous advantages over digital computing for accelerating deep learning when operations are executed at low precision.
Sahaj Garg   +5 more
semanticscholar   +1 more source

Analog nanophotonic computing going practical: silicon photonic deep learning engines for tiled optical matrix multiplication with dynamic precision

open access: yesNanophotonics, 2023
Analog photonic computing comprises a promising candidate for accelerating the linear operations of deep neural networks (DNNs), since it provides ultrahigh bandwidth, low footprint and low power consumption computing capabilities.
G. Giamougiannis   +8 more
semanticscholar   +1 more source

Plasmonic Generation of Spatiotemporal Optical Vortices

open access: yesPhotonics, 2023
We investigate the transformation of spatiotemporal optical signals using the Kretschmann configuration with an additional dielectric layer, which can be referred to as the “generalized Kretschmann setup”. We demonstrate that in the considered structure,
Artem I. Kashapov   +3 more
doaj   +1 more source

Analog input layer for optical reservoir computers

open access: yesCoRR, 2014
Reservoir computing is an information processing technique, derived from the theory of neural networks, which is easy to implement in hardware. Several reservoir computer hardware implementations have been realized recently with performance comparable to digital implementations, which demonstrated the potential of reservoir computing for ultrahigh ...
François Duport   +4 more
openaire   +3 more sources

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