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Unrepeatered transmission at 2.5 Gbit/s over 410 km with a single remote amplifier and dispersion compensation

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2 Author(s)

A record unrepeatered transmission span of 410 km at 2.488 Gbit/s for a single remotely pumped erbium amplifier is reported. Dispersion compensating fibre is used at the receiver to minimise the self-phase modulation effects associated with high transmitted powers (+19.5 dBm). The remote amplifier is pumped over the transmission fibre from the receiver end using a 300 mW 1480 nm pump. The high 1480 nm pump power ensures Raman gain over the last fibre length

Published in:

Electronics Letters  (Volume:30 ,  Issue: 24 )