An optical chopper-based re-circulating loop is presented for emulating long-haul transmission using few-mode fiber (FMF). A proper functioning of the loop is verified by transmission of three-mode-division multiplexed × 128 Gb/s DP-QPSK over more than 1000 km of FMF.
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http://dx.doi.org/10.1364/OL.39.001181 | DOI Listing |
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