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We demonstrate simple and wide carrier frequency offset compensation in CO-OFDM systems. The proposed method compensates CFO in the full-range as the sampling frequency. Using this method, we show PDM CO-OFDM-16QAM transmission over 1,600 km of standard single mode fiber.
We have developed the first bi-directional ONT transceiver module having 10Gbit/s-Rx and 1.25Gbit/s-Tx for asymmetric high-speed TDM-PON, and have confirmed the 10Gbit/s downstream performance with the bi-directional transmission to support 128-way split and 10km reach.
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