Metasurface-Based Optical Analog Computing: From Fundamentals to Applications

With unprecedented growth in data information over the past few decades, it is critically important to seek a faster and more efficient method to simplify data processing. In recent years, optical analog computing provides an available way due to its large capacity, energy saving, and high efficienc...

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Main Authors: Dingyu Xu, Shuangchun Wen, Hailu Luo
Format: Article
Language:English
Published: American Association for the Advancement of Science (AAAS) 2022-01-01
Series:Advanced Devices & Instrumentation
Online Access:https://spj.science.org/doi/10.34133/adi.0002
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author Dingyu Xu
Shuangchun Wen
Hailu Luo
author_facet Dingyu Xu
Shuangchun Wen
Hailu Luo
author_sort Dingyu Xu
collection DOAJ
description With unprecedented growth in data information over the past few decades, it is critically important to seek a faster and more efficient method to simplify data processing. In recent years, optical analog computing provides an available way due to its large capacity, energy saving, and high efficiency. Metasurfaces, as 2-dimensional artificial nanostructures, have shown an extraordinary ability for controlling light and paving a pathway toward all-optical analog computing. In this brief review, we discuss the latest development in metasurface-based optical analog computing. Theoretical fundamentals and experimental demonstrations of optical analog computing for resolving a variety of mathematical problems have been reviewed, including differential operation, convolution operation, and Fourier transformation. Finally, a brief introduction of emerging applications in microscopy imaging, quantum imaging, and holographic imaging is presented.
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spelling doaj.art-9ad85c044e8b4cb598f5bd2a6ca0e5ca2023-06-05T19:13:13ZengAmerican Association for the Advancement of Science (AAAS)Advanced Devices & Instrumentation2767-97132022-01-01202210.34133/adi.0002Metasurface-Based Optical Analog Computing: From Fundamentals to ApplicationsDingyu Xu0Shuangchun Wen1Hailu Luo2Laboratory for Spin Photonics, School of Physics and Electronics, Hunan University, Changsha 410082, China.Laboratory for Spin Photonics, School of Physics and Electronics, Hunan University, Changsha 410082, China.Laboratory for Spin Photonics, School of Physics and Electronics, Hunan University, Changsha 410082, China.With unprecedented growth in data information over the past few decades, it is critically important to seek a faster and more efficient method to simplify data processing. In recent years, optical analog computing provides an available way due to its large capacity, energy saving, and high efficiency. Metasurfaces, as 2-dimensional artificial nanostructures, have shown an extraordinary ability for controlling light and paving a pathway toward all-optical analog computing. In this brief review, we discuss the latest development in metasurface-based optical analog computing. Theoretical fundamentals and experimental demonstrations of optical analog computing for resolving a variety of mathematical problems have been reviewed, including differential operation, convolution operation, and Fourier transformation. Finally, a brief introduction of emerging applications in microscopy imaging, quantum imaging, and holographic imaging is presented.https://spj.science.org/doi/10.34133/adi.0002
spellingShingle Dingyu Xu
Shuangchun Wen
Hailu Luo
Metasurface-Based Optical Analog Computing: From Fundamentals to Applications
Advanced Devices & Instrumentation
title Metasurface-Based Optical Analog Computing: From Fundamentals to Applications
title_full Metasurface-Based Optical Analog Computing: From Fundamentals to Applications
title_fullStr Metasurface-Based Optical Analog Computing: From Fundamentals to Applications
title_full_unstemmed Metasurface-Based Optical Analog Computing: From Fundamentals to Applications
title_short Metasurface-Based Optical Analog Computing: From Fundamentals to Applications
title_sort metasurface based optical analog computing from fundamentals to applications
url https://spj.science.org/doi/10.34133/adi.0002
work_keys_str_mv AT dingyuxu metasurfacebasedopticalanalogcomputingfromfundamentalstoapplications
AT shuangchunwen metasurfacebasedopticalanalogcomputingfromfundamentalstoapplications
AT hailuluo metasurfacebasedopticalanalogcomputingfromfundamentalstoapplications