Abstract
We propose 8-dimensional 8192QAM to balance the nonlinear transmission performance and add/drop induced optical filtering. Simulations show that this format outperforms conventional PDM-16QAM, PDM-8QAM, and 4-dimensional 128QAM for 200-Gbit/s/channel optical networks with cascaded add/drop nodes.
© 2017 Optical Society of America
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