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

Kasper Ingerslev*, Patrick Gregg, Michael Galili, Francesco Da Ros, Hao Hu, Fangdi Bao, Mario A. Usuga Castaneda, Poul Kristensen, Andrea Rubano, Lorenzo Marrucci, Karsten Rottwitt, Toshio Morioka, Siddharth Ramachandran, Leif Katsuo Oxenløwe

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

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Abstract

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
Volume26
Issue number16
Pages (from-to)20225-232
ISSN1094-4087
DOIs
Publication statusPublished - 2018

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