Ultra long-haul transmission over 6,000 km of 100 Gb/s serial signal by using coherent detection

We have demonstrated a 100-Gb/s single channel transmission over the longest distance of 6,000 km ever reported using 2-subcarrier no-guard-interval PDM CO-OFDM. The unique DSP technology enabled to compensate for CD up to 109,200 ps/nm.

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