107-Gb/s Transmission over 700 km and One Intermediate ROADM using LambdaXtreme® Transport System

We demonstrate 107-Gb/s single-channel transmission over the commercial all-Raman LambdaXtreme® transport system. Both RZ-DQPSK and NRZ-DQPSK formats were transmitted over 700 km with one reconfigurable optical add drop multiplexer (ROADM) node at 500 km.