Iterative time domain simulation of optical MIMO channels

Optical multiple-input multiple-output (OMIMO) system has attracted a deep research interest during the past decade. This contribution presents a linear simulation model for OMIMO. The model sequentially propagates the transmitted signal through the components of an optical link and considers chromatic and modal dispersion as well as modal cross-coupling in a serial manner. The OMIMO system is partitioned into a certain number of segments from transmitter to receiver. Within each segment chromatic and modal modal dispersion is considered whereas modal crosstalk appears at the crossover between two segments. The calculation model resolves all linearly polarized (LP) modes of the used fiber, which is shown by comparing impulse responses between testbed measurements and its simulation.