Abstract
80-channel 75-GHz-spacing coherent transmission system over extended C-band from 1524.59 nm to 1571.96 nm is proposed. Error-free real-time 8-span transmission of single-carrier 75-GHz-spacing 200-Gbit/s PM-QPSK signals over 604 km with 7.5-dB OSNR margin is achieved.
© 2021 The Author(s)
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