Optical Computing, Fourier Transform, Silicon Photonics, Signal Processing.
between 1 and dy, we define the sub-array a​ʲᵏ of shape (nx,ny)​ by: For an array a and pair of integers (j,k) such that 1≤j≤nx and 1≤k≤ny, the optical Fourier transform of a is: Finally, we assume that Nx is a multiple of nx and that Ny is a multiple of ny. We define the ratios dx = Nx / nx and dy