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We demonstrate record 109-Tb/s transmission of spatial division multiplexed (SDM) signals over 16.8 km using a seven-core fiber. Each SDM channel contains 97 WDM channels on a 100-GHz grid and 2×86-Gb/s polarization-multiplexed QPSK signals.
Propagation characteristics of seven-core fiber were investigated for multiplexed signals of spatial-division and wavelength-division. Effect of chromatic dispersion and inter-core crosstalk were evaluated for 5-km fiber by using 10-Gbit/s channels.
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.
This paper describes coherent optical orthogonal frequency division multiplexing (CO-OFDM) techniques for the long-haul transmission of 100-Gb/s-class channels. First, we discuss the configurations of the transmitter and receiver that implement the optical multiplexing/demultiplexing techniques for high-speed CO-OFDM transmission. Next, we review the no-guard-interval (No-GI) CO-OFDM transmission...
We demonstrated spectrally efficient (2-b/s/Hz) 1Tb/s DWDM transmission of 111 Gb/s no-guard-interval PDM CO-OFDM signals over DSFs with 50 GHz spacing. The record transmission distance of 2100 km in the 100-Gb/s-data-rate CO-OFDM systems was achieved.
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