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    0.8-bit/s/Hz Terabit Transmission at 42.7-Gb/s Using Hybrid RZ-DQPSK and NRZ-DBPSK Formats over 16 x 80 km SSMF Spans and 4 Bandwidth-Managed ROADMs

0.8-bit/s/Hz Terabit Transmission at 42.7-Gb/s Using Hybrid RZ-DQPSK and NRZ-DBPSK Formats over 16 x 80 km SSMF Spans and 4 Bandwidth-Managed ROADMs

01 January 2007

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We demonstrate for the first time the use of asymmetric-bandwidth interleaver based ROADM to transmit 42.7-Gb/s channels on a 50-GHz grid. Mixed DBPSK and DQPSK formats enabled 0.8-bit/s/Hz terabit transmission over 1280-km including 4 ROADMs.