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Volume 10
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10.3390/photonics10050503
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Communication

Parallelized and Cascadable Optical Logic Operations by Few-Layer Diffractive Optical Neural Network

by
Xianjin Liu
1,2,
Dasen Zhang
1,2,
Licheng Wang
1,2,
Ting Ma
1,2,
Zhenzhen Liu
1,2 and
Jun-Jun Xiao
1,2,*
1
College of Electronic and Information Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China
2
Shenzhen Engineering Laboratory of Aerospace Detection and Imaging, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China
*
Author to whom correspondence should be addressed.
Photonics 2023, 10(5), 503; https://doi.org/10.3390/photonics10050503
Submission received: 27 March 2023 / Revised: 18 April 2023 / Accepted: 25 April 2023 / Published: 26 April 2023
(This article belongs to the Special Issue Recent Trends in Computational Photonics)
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Abstract

Optical computing has gained much attention due to its high speed, low energy consumption, and the fact that it is naturally parallelizable and multiplexable, etc. Single-bit optical logic gates based on a four-hidden-layer diffractive optical neural network (DONN) have been demonstrated with paired apertures. Here, we show a parallel-logic operation strategy based on two-hidden-layer DONN, showcasing their efficiency by multiple-bit (up to 16-bit) optical logic (e.g., NAND) operations. In addition, we demonstrate how NAND-DONN units can be utilized to achieve NOR and AND operations by flipping and cascading the DONN.
Keywords: diffractive optical neural network; parallel logic operation; multiple bits diffractive optical neural network; parallel logic operation; multiple bits

Share and Cite

MDPI and ACS Style

Liu, X.; Zhang, D.; Wang, L.; Ma, T.; Liu, Z.; Xiao, J.-J. Parallelized and Cascadable Optical Logic Operations by Few-Layer Diffractive Optical Neural Network. Photonics 2023, 10, 503. https://doi.org/10.3390/photonics10050503

AMA Style

Liu X, Zhang D, Wang L, Ma T, Liu Z, Xiao J-J. Parallelized and Cascadable Optical Logic Operations by Few-Layer Diffractive Optical Neural Network. Photonics. 2023; 10(5):503. https://doi.org/10.3390/photonics10050503

Chicago/Turabian Style

Liu, Xianjin, Dasen Zhang, Licheng Wang, Ting Ma, Zhenzhen Liu, and Jun-Jun Xiao. 2023. "Parallelized and Cascadable Optical Logic Operations by Few-Layer Diffractive Optical Neural Network" Photonics 10, no. 5: 503. https://doi.org/10.3390/photonics10050503

APA Style

Liu, X., Zhang, D., Wang, L., Ma, T., Liu, Z., & Xiao, J.-J. (2023). Parallelized and Cascadable Optical Logic Operations by Few-Layer Diffractive Optical Neural Network. Photonics, 10(5), 503. https://doi.org/10.3390/photonics10050503

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