405 km of repeaterless transmission at 5 Gb/s utilizing a post-amplifier and a remotely preamplified receiver with forward error correction

A repeaterless system enables transmission over 405 km of fiber at 5 Gb/s with 24.3 dBm of launch power and a remotely preamplified receiver sensitivity with FEC of -59 dBm for a total span budget of 83.3 dB.