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We analyze by simulation the performance of a Terabit superchannel composed of 10 PM-QPSK sub-channels at 111 Gbit/s with tight channel spacing in the presence of system non-idealities both at the transmitter and at the receiver side.
We experimentally investigate the transmission of a 1.12-Tb/s Dense-WDM (D-WDM) system comprising 10 × 112 Gb/s polarization-multiplexed quadrature phase-shift-keying channels with ultra-narrow spacing (1.1 times the Baud rate). The D-WDM signal is generated by means of a recirculating frequency shifter. We used narrow optical filtering of channels at the transmitter to reduce interchannel crosstalk...
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