Optical Computing, Fourier Transform, Silicon Photonics, Signal Processing.
the optical system is larger. We denote by OFT the optical Fourier transform. For the sake of simplicity, we assume the OFT is an exact two-dimensional discrete Fourier transform defined in the same way as above. Let A​ be an array of shape (Nx,Ny). For each ​integer i between 1 and dx and j