Scientists report a record SDM transmission experiment using multi-core fiber amplifier. Fully decoded optical data transmission of 715 Tb/s was achieved over a distance of 2,009 km in 19-core cladding pumped erbium doped fiber amplifier (EDFA) amplified MCF link using coded polarization division multiplexed (PDM) --16 quadrature-amplitude modulation (QAM) of 345 carriers over the C and L band in a re-circulating transmission loop.
from Top Technology News -- ScienceDaily https://www.sciencedaily.com/releases/2019/04/190408101028.htm
from Top Technology News -- ScienceDaily https://www.sciencedaily.com/releases/2019/04/190408101028.htm
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