12 mode, WDM, MIMO-free orbital angular momentum transmission

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Simultaneous MIMO-free transmission of 12 orbital angular momentum (OAM) modes over a 1.2 km air-core fiber is demonstrated. WDM compatibility of the system is shown by using 60, 25 GHz spaced WDM channels with 10 GBaud QPSK signals. System performance is evaluated by measuring bit error rates, which are found to be below the soft FEC limit, and limited by inter-modal crosstalk. The crosstalk in the system is analyzed, and it is concluded that it can be significantly reduced with an improved multiplexer and de-multiplexer.
Original languageEnglish
JournalOptics Express
Issue number16
Pages (from-to)20225-232
Publication statusPublished - 2018
CitationsWeb of Science® Times Cited: No match on DOI

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ID: 151265741