We demonstrate WDM transmission of three 485-Gb/s CO-OFDM channels with 16-QAM modulation, each received by a single coherent detection step. Transmission over 48 100-km ULAF spans and 12 WSSs with 4-b/s/Hz net spectral-efficiency is achieved.
© 2011 OSA
(060.1660) Fiber optics and optical communications : Coherent communications
(060.2330) Fiber optics and optical communications : Fiber optics communications
(060.5060) Fiber optics and optical communications : Phase modulation
X. Liu, S. Chandrasekhar, P. Winzer, B. Zhu, D. W. Peckham, S. Draving, J. Evangelista, N. Hoffman, C. J. Youn, Y. Kwon, and E. S. Nam, "3x 485-Gb/s WDM Transmission over 4800 km of ULAF and 12x 100-GHz WSSs Using CO-OFDM and Single Coherent Detection with 80-GS/s ADCs," in Optical Fiber Communication Conference/National Fiber Optic Engineers Conference 2011, OSA Technical Digest (CD) (Optical Society of America, 2011), paper JThA037.
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