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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机译:提出了一种基于光斩波器的再循环环路,用于模拟使用少模光纤(FMF)的长距离传输。通过在超过1000 km的FMF上传输三模分复用×128 Gb / s DP-QPSK,可以验证环路的正常运行。
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