[1] Silva A, Monticone F, Castaldi G et al. Performing mathematical operations with metamaterials[J]. Science, 343, 160-163(2014).

[2] Sihvola A. Enabling optical analog computing with metamaterials[J]. Science, 343, 144-145(2014).

[3] Solli D R, Jalali B. Analog optical computing[J]. Nature Photonics, 9, 704-706(2015).

[4] Liu S K, Zhou Z Y, Shi B S. Progress on optical image edge detection[J]. Laser & Optoelectronics Progress, 58, 1011014(2021).

[5] Chen B, Zhang Z Y, Dai T G et al. Photonic neural networks and its applications[J]. Laser & Optoelectronics Progress, 60, 0600001(2023).

[6] Fu T Z, Sun R, Huang Y Y et al. Review of on-chip integrated optical neural networks (Invited)[J]. Chinese Journal of Lasers, 51, 0119002(2024).

[7] Goodman J W[M]. Introduction to Fourier optics(2005).

[8] Wesemann L, Rickett J, Song J C et al. Nanophotonics enhanced coverslip for phase imaging in biology[J]. Light: Science & Applications, 10, 98(2021).

[9] Zhu T F, Lou Y J, Zhou Y H et al. Generalized spatial differentiation from the spin Hall effect of light and its application in image processing of edge detection[J]. Physical Review Applied, 11, 034043(2019).

[10] Zhou J X, Qian H L, Chen C F et al. Optical edge detection based on high-efficiency dielectric metasurface[J]. Proceedings of the National Academy of Sciences of the United States of America, 116, 11137-11140(2019).

[11] Davis T J, Eftekhari F, Gómez D E et al. Metasurfaces with asymmetric optical transfer functions for optical signal processing[J]. Physical Review Letters, 123, 013901(2019).

[12] Kwon H, Arbabi E, Kamali S M et al. Single-shot quantitative phase gradient microscopy using a system of multifunctional metasurfaces[J]. Nature Photonics, 14, 109-114(2020).

[13] Liu Y, Huang M C, Chen Q K et al. Single planar photonic chip with tailored angular transmission for multiple-order analog spatial differentiator[J]. Nature Communications, 13, 7944(2022).

[14] Zhou Y, Zheng H Y, Kravchenko I I et al. Flat optics for image differentiation[J]. Nature Photonics, 14, 316-323(2020).

[15] Kwon H, Cordaro A, Sounas D et al. Dual-polarization analog 2D image processing with nonlocal metasurfaces[J]. ACS Photonics, 7, 1799-1805(2020).

[16] Zhu T F, Guo C, Huang J Y et al. Topological optical differentiator[J]. Nature Communications, 12, 680(2021).

[17] Long O Y, Guo C, Wang H W et al. Isotropic topological second-order spatial differentiator operating in transmission mode[J]. Optics Letters, 46, 3247-3250(2021).

[18] Jin C Q, Yang Y M. Transmissive nonlocal multilayer thin film optical filter for image differentiation[J]. Nanophotonics, 10, 3519-3525(2021).

[19] Goh H, Alù A. Nonlocal scatterer for compact wave-based analog computing[J]. Physical Review Letters, 128, 073201(2022).

[20] Kwon H, Sounas D, Cordaro A et al. Nonlocal metasurfaces for optical signal processing[J]. Physical Review Letters, 121, 173004(2018).

[21] Kuai Y, Chen J X, Fan Z T et al. Planar photonic chips with tailored angular transmission for high-contrast-imaging devices[J]. Nature Communications, 12, 6835(2021).

[22] Zhu T F, Zhou Y H, Lou Y J et al. Plasmonic computing of spatial differentiation[J]. Nature Communications, 8, 15391(2017).

[23] Bliokh K Y, Ostrovskaya E A, Alonso M A et al. Spin-to-orbital angular momentum conversion in focusing, scattering, and imaging systems[J]. Optics Express, 19, 26132-26149(2011).

[24] Rodríguez-Herrera O G, Lara D, Bliokh K Y et al. Optical nanoprobing via spin-orbit interaction of light[J]. Physical Review Letters, 104, 253601(2010).

[25] Fang Y Q, Han M, Ge P P et al. Photoelectronic mapping of the spin-orbit interaction of intense light fields[J]. Nature Photonics, 15, 115-120(2021).

[26] Dogariu A, Schwartz C. Conservation of angular momentum of light in single scattering[J]. Optics Express, 14, 8425-8433(2006).

[27] Guo C, Xiao M, Minkov M et al. Photonic crystal slab Laplace operator for image differentiation[J]. Optica, 5, 251-256(2018).

[28] Yeh P, Yariv A, Hong C S. Electromagnetic propagation in periodic stratified media. I. General theory[J]. Journal of the Optical Society of America A, 67, 423-438(1977).

[29] Yariv A, Yeh P. Electromagnetic propagation in periodic stratified media. II. Birefringence, phase matching, and X-ray lasers[J]. Journal of the Optical Society of America A, 67, 438-48(1977).

[30] Zhang D G, Yuan X C, Bouhelier A et al. Active control of surface plasmon polaritons by optical isomerization of an azobenzene polymer film[J]. Applied Physics Letters, 95, 101102(2009).

[31] Yao A M, Padgett M J. Orbital angular momentum: origins, behavior and applications[J]. Advances in Optics and Photonics, 3, 161-204(2011).

[32] Zhou J X, Qian H L, Zhao J X et al. Two-dimensional optical spatial differentiation and high-contrast imaging[J]. National Science Review, 8, nwaa176(2021).

[33] Zhu T F, Huang J Y, Ruan Z C. Optical phase mining by adjustable spatial differentiator[J]. Advanced Photonics, 2, 016001(2020).

[34] Park Y, Depeursinge C, Popescu G. Quantitative phase imaging in biomedicine[J]. Nature Photonics, 12, 578-589(2018).