100-Gb/s DD-MB-OFDM Metro Network With 11-Gb/s Granularity and 2.85-GHz Receiver


An ultra-dense a hundred-Gb/s multi-band orthogonal frequency division multiplexing (MB-OFDM) system using virtual-carrier-assisted direct-detection and a two.eighty five-GHz receiver bandwidth is demonstrated experimentally. 9 OFDM bands with a band spacing of half dozen GHz and a band capability of 11 Gb/s are employed. The proposed system permits single-band extraction with low-complexity, provides high granularity, flexibility, and scalability, and is proposed for metropolitan (metro) networks. The experiments show that the transmission of the 100-Gb/s MB-OFDM signal comprising the nine-bands along metro networks reaching one hundred fifty km is successfully accomplished with bit error ratio levels below the forward error correction threshold. Reduced penalty relative to back-to-back operation is observed for optical power levels commenced each fiber span within the vary between zero and 4 dBm.

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