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    Long-haul Transmission of 1-Tb/s Superchannels, 175-GHz Spaced, Over SSMF Using Nyquist Pulse Shaping and Flex-grid WDM Architecture

Long-haul transmission of 1-Tb/s superchannels, 175-GHz spaced, over SSMF using Nyquist pulse shaping and flex-grid WDM architecture

22 September 2013

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We report on the long-haul transmission of 1-Tb/s superchannels using PDM-16QAM modulation and Nyquist pulse shaping. Based on flexible grid wavelength selective switch technology, we transmit three 1-Tb/s superchannels spaced by 175-GHz over 1600 km of SSMF and four ROADM, with a spectral efficiency of 5.7 bit/s/Hz.

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