Abstract
We experimentally analyze the required guard band of coherent optical UDWDM networks transporting 16×1.25 Gb/s – QPSK at 3.125 GHz frequency grid to coexist with Video and 10G – NRZ transmissions. Using simple DSP based ONU, guard bands of only 0.8–1.6 nm are achieved.
© 2013 IEICE
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