Hybrid 224-Gb/s and 112-Gb/s PDM-QPSK Transmission at 50-GHz Channel Spacing over 1200-km Dispersion-Managed LEAF Spans and 3 ROADMs in LambdaXtreme® Networks

06 March 2011

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We successfully transmit hybrid 224-Gb/s and 112-Gb/s PDM-QPSK channels at 50GHz channel spacing and 3.36-bits/s/Hz spectral efficiency over 1200-km dispersion-managed LEAF spans with 3 ROADMs and over 2000 km without ROADMs in LambdaXtreme® transport networks. © 2011 Optical Society of America