An electro-optic module for receiving and detecting an optical channel light including a high-bandwidth data signal modulated thereon, the electro-optic module including: an optical hybrid for mixing the optical channel light with a corresponding continuous wave local oscillator light to generate a mixed light containing the high-bandwidth data signal; at least one photodetector; and an analog decimator for generating a set of parallel analog signals, each analog signal representing a respective portion of the high-bandwidth signal, wherein the analog decimator comprises: an analog 1:N splitter for supplying an input signal to a set of N (where N is an integer greater than 1) parallel signal paths, each signal path corresponding to a respective one of the parallel analog signals; a respective non-linear processor connected in each of M signal paths, where M is an integer and 0<M≤N, for processing the input signal using a respective branch signal to yield a corresponding composite signal; and a respective Low-Pass Filter connected in each signal path, for low-pass filtering the respective composite signal to generate the corresponding one of the parallel analog signals; and further comprising a signal generator for generating the branch signals as a set of parallel digital signals having predetermined frequency and phase relationships; and wherein the high-bandwidth signal comprises signal components of interest lying within a frequency range extending between -f/2 and +f/2; wherein N=4, and wherein the set of parallel digital signals are square-wave branch signals including: a first intermediate frequency branch signal having a frequency of f/4; a second intermediate frequency branch signal having a frequency of f/4 and a phase offset of 90° relative to the first intermediate frequency branch signal, and a high-frequency branch signal having a frequency of f/2 and a phase offset of 0° relative to the first intermediate frequency branch signal; and each LPF has a bandwidth of f/8. an optical hybrid for mixing the optical channel light with a corresponding continuous wave local oscillator light to generate a mixed light containing the high-bandwidth data signal; at least one photodetector; and an analog decimator for generating a set of parallel analog signals, each analog signal representing a respective portion of the high-bandwidth signal, wherein the analog decimator comprises: an analog 1:N splitter for supplying an input signal to a set of N (where N is an integer greater than 1) parallel signal paths, each signal path corresponding to a respective one of the parallel analog signals; a respective non-linear processor connected in each of M signal paths, where M is an integer and 0<M≤N, for processing the input signal using a respective branch signal to yield a corresponding composite signal; and a respective Low-Pass Filter connected in each signal path, for low-pass filtering the respective composite signal to generate the corresponding one of the parallel analog signals; and further comprising an analog 1:N splitter for supplying an input signal to a set of N (where N is an integer greater than 1) parallel signal paths, each signal path corresponding to a respective one of the parallel analog signals; a respective non-linear processor connected in each of M signal paths, where M is an integer and 0<M≤N, for processing the input signal using a respective branch signal to yield a corresponding composite signal; and a respective Low-Pass Filter connected in each signal path, for low-pass filtering the respective composite signal to generate the corresponding one of the parallel analog signals; and further comprising a signal generator for generating the branch signals as a set of parallel digital signals having predetermined frequency and phase relationships; and wherein the high-bandwidth signal comprises signal components of interest lying within a frequency range extending between -f/2 and +f/2; wherein N=4, and wherein the set of parallel digital signals are square-wave branch signals including: a first intermediate frequency branch signal having a frequency of f/4; a second intermediate frequency branch signal having a frequency of f/4 and a phase offset of 90° relative to the first intermediate frequency branch signal, and a high-frequency branch signal having a frequency of f/2 and a phase offset of 0° relative to the first intermediate frequency branch signal; and each LPF has a bandwidth of f/8.