Abstract
We demonstrate next-generation network upgrade scenarios using flexi-format (PM-QPSK➔PM-64QAM) and flexi-rate (100G300G) transmission over field-deployed fiber (762km). The back-to-back penalties are limited to ~2.6dB, whereas after transmission, available margin in excess of ~7.6dB is reported.
© 2016 Optical Society of America
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