Employing Nyquist-pulse-shaped PDM-32QAM modulation and both pre- and post-transmission digital equalization, we demonstrate 50GHz-spaced, 8x450Gbits/s DWDM transmission over 4x100km of ultra-large-area fiber and one 50GHz-grid WSS-based ROADM at 8.37b/s/Hz spectral efficiency.
© 2011 OSA
(060.4080) Fiber optics and optical communications : Modulation
(060.4230) Fiber optics and optical communications : Multiplexing
(060.4510) Fiber optics and optical communications : Optical communications
X. Zhou, L. E. Nelson, P. Magill, B. Zhu, and D. W. Peckham, "8x450-Gb/s,50-GHz-Spaced,PDM-32QAM transmission over 400km and one 50GHz-grid ROADM," in Optical Fiber Communication Conference/National Fiber Optic Engineers Conference 2011, OSA Technical Digest (CD) (Optical Society of America, 2011), paper PDPB3.
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