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Showing 1–3 of 3 results
Advanced filters: Author: Tengfeng Zhu Clear advanced filters

  • For specific problems, analog optical computing can be faster and more computationally efficient than digital methods. Here, Zhuet al. simplify the often metamaterial-based approach to a single thin metal film, with which they demonstrate spatial differentiation.

    • Tengfeng Zhu
    • Yihan Zhou
    • Shanhui Fan
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-6

  • Spatial differentiation is a form of optical computation which has applications in image processing. Here, the authors exploit nontrivial topological charges in the transfer function to realise broadband isotropic two-dimensional differentiation.

    • Tengfeng Zhu
    • Cheng Guo
    • Shanhui Fan
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-8