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100 Gb/s DD-MB-OFDM metro network with 11 Gb/s granularity and 2.85 GHz receiver

Alves , T. M. F. ; Cartaxo, A.

IEEE Photonics Technology Letters Vol. 27, Nº 24, pp. 2551 - 2554, December, 2015.

ISSN (print): 1041-1135
ISSN (online): 1041-1135

Scimago Journal Ranking: 1,19 (in 2015)

Digital Object Identifier: 10.1109/LPT.2015.2475717

An ultra-dense 100 Gb/s multi-band orthogonal frequency division multiplexing (MB-OFDM) system employing
virtual-carrier assisted direct-detection and a 2.85 GHz receiver bandwidth is demonstrated experimentally. Nine OFDM bands with band spacing of 6 GHz and a band capacity of 11 Gb/s are employed. The proposed system enables 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 9-bands along metro networks reaching 150 km is successfully accomplished with bit error ratio levels below the FEC threshold. Reduced penalty relative to back-to-back operation is observed for optical power levels launched into each fiber span in the range between 0 dBm and 4 dBm.