fig5
Figure 5. Automated inverse design of nonlocal metasurface-based optical differentiators. (A-C) Inverse design of second-order optical differentiators at desired operation wavelengths of 1,250, 1,300 and 1,350 nm, respectively. (D-F) Inverse design of fourth-order optical differentiators at desired operation wavelengths of 1,250, 1,300 and 1,350 nm, respectively.








