Fourier Transform, Optical Computing, Technology, Next Generation Tech.
convolution hardware (for instance, an optical Fourier engine with additional logic to perform the component-wise multiplication) with b₂​ bits of accuracy, where b₂ < b-1​. For simplicity, we assume that b₂ > 2 + ⌈log N⌉​.³ One possible strategy is the following (note that it can be adapted and