Journal
IEEE PHOTONICS TECHNOLOGY LETTERS
Volume 25, Issue 13, Pages 1203-1206Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LPT.2013.2262675
Keywords
Optical transmission; space-division multiplex (SDM); nonlinear fiber optics; multi-mode fiber
Funding
- German Research Foundation DFG [PE 319/29-1]
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In this letter, we analyze the impact of discrete mode coupling on mode-multiplexed transmission links that employ few-mode fibers. We show that discrete coupling between spatial modes, as introduced, e. g., by splices, highly degrades the performance of mode-division multiplexed transmission links due to an additional nonlinear penalty. This stands in contrast to the performance improvement that is introduced by frequently appearing random mode coupling.
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