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Broadband and parallel multiple-order optical spatial differentiation enabled by Bessel vortex modulated metalens

Author

Listed:
  • Pengcheng Huo

    (Nanjing University
    Nanjing University)

  • Le Tan

    (Nanjing University
    Nanjing University)

  • Yaqi Jin

    (Nanjing University)

  • Yanzeng Zhang

    (Nanjing University)

  • Mingze Liu

    (Nanjing University)

  • Peicheng Lin

    (Nanjing University)

  • Song Zhang

    (Nanjing University)

  • Yilin Wang

    (Nanjing University)

  • Haiyang Ren

    (Nanjing University)

  • Yanqing Lu

    (Nanjing University
    Nanjing University)

  • Ting Xu

    (Nanjing University
    Nanjing University
    Jiangsu University of Technology)

Abstract

Optical analog image processing technology is expected to provide an effective solution for high-throughput and real-time data processing with low power consumption. In various operations, optical spatial differential operations are essential in edge extraction, data compression, and feature classification. Unfortunately, existing methods can only perform low-order or selectively perform a particular high-order differential operation. Here, we propose and experimentally demonstrate a Bessel vortex modulated metalens composed of a single complex amplitude metasurface, which can perform multiple-order radial differential operations over a wide band by presetting the order of the corresponding Bessel vortex. This architecture further enables angle multiplexing to create multiple information channels that synchronously perform multi-order spatial differential operations, indicating the superiority of the proposed devices in parallel processing. Our approach may find various applications in artificial intelligence, machine vision, autonomous driving, and advanced biomedical imaging.

Suggested Citation

  • Pengcheng Huo & Le Tan & Yaqi Jin & Yanzeng Zhang & Mingze Liu & Peicheng Lin & Song Zhang & Yilin Wang & Haiyang Ren & Yanqing Lu & Ting Xu, 2024. "Broadband and parallel multiple-order optical spatial differentiation enabled by Bessel vortex modulated metalens," Nature Communications, Nature, vol. 15(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-53463-3
    DOI: 10.1038/s41467-024-53463-3
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    References listed on IDEAS

    as
    1. Tengfeng Zhu & Cheng Guo & Junyi Huang & Haiwen Wang & Meir Orenstein & Zhichao Ruan & Shanhui Fan, 2021. "Topological optical differentiator," Nature Communications, Nature, vol. 12(1), pages 1-8, December.
    2. Tengfeng Zhu & Yihan Zhou & Yijie Lou & Hui Ye & Min Qiu & Zhichao Ruan & Shanhui Fan, 2017. "Plasmonic computing of spatial differentiation," Nature Communications, Nature, vol. 8(1), pages 1-6, August.
    3. Yang Liu & Mingchuan Huang & Qiankun Chen & Douguo Zhang, 2022. "Single planar photonic chip with tailored angular transmission for multiple-order analog spatial differentiator," Nature Communications, Nature, vol. 13(1), pages 1-9, December.
    4. Ming Deng & Michele Cotrufo & Jian Wang & Jianji Dong & Zhichao Ruan & Andrea Alù & Lin Chen, 2024. "Broadband angular spectrum differentiation using dielectric metasurfaces," Nature Communications, Nature, vol. 15(1), pages 1-10, December.
    5. Tengfeng Zhu & Cheng Guo & Junyi Huang & Haiwen Wang & Meir Orenstein & Zhichao Ruan & Shanhui Fan, 2021. "Publisher Correction: Topological optical differentiator," Nature Communications, Nature, vol. 12(1), pages 1-1, December.
    6. Michele Cotrufo & Akshaj Arora & Sahitya Singh & Andrea Alù, 2023. "Dispersion engineered metasurfaces for broadband, high-NA, high-efficiency, dual-polarization analog image processing," Nature Communications, Nature, vol. 14(1), pages 1-9, December.
    7. Zhuochao Wang & Guangwei Hu & Xinwei Wang & Xumin Ding & Kuang Zhang & Haoyu Li & Shah Nawaz Burokur & Qun Wu & Jian Liu & Jiubin Tan & Cheng-Wei Qiu, 2022. "Single-layer spatial analog meta-processor for imaging processing," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    8. Ibrahim Tanriover & Sina Abedini Dereshgi & Koray Aydin, 2023. "Metasurface enabled broadband all optical edge detection in visible frequencies," Nature Communications, Nature, vol. 14(1), pages 1-8, December.
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