Abstract
We demonstrate, using a compact InP-based integrated assembly of a tunable laser and a double-nested Mach-Zehnder modulator, generation of Nyquist-prefiltered QPSK and 16-QAM signals at 32-Gbaud. We transmitted them over 8000-km and 960-km SSMF, respectively.
© 2013 Optical Society of America
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