Fig. 1: Examples of noiseless mode decomposition.

Mode decomposition for a 8-mode, b 14-mode, c 27-mode, d 29-mode fibers. Input image size of 100 × 100 pixels. Decomposition errors are shown on the right of each set of images. Here εA—amplitude error, εφ—phase error, εNET—total error, and εI—intensity error.