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Performance of Direct-Detection Mode-Group-Division Multiplexing Using Fused Fiber Couplers
2015
Journal of Lightwave Technology
We present an end-to-end performance evaluation of a mode-group-division multiplexing system that uses direct detection instead of coherent detection, avoiding complex digital signal processing. The system transmits four data channels through a step-index fiber supporting six spatial modes comprising four mode groups, considering the twofold degeneracy of the LP lm modes for l = 0. Multiplexing and demultiplexing is performed using twoand three-core fused fiber couplers, each one phase-matched
doi:10.1109/jlt.2015.2392255
fatcat:hqulvyzi7zcbvhhglrz7vzw6j4