Transmission of 128-Gb/s PDM-4ASK Generated with Electroabsoption Modulators over 960-km Standard Single-Mode Fiber
09 March 2014
We generate a 128-Gb/s polarization-division-multiplexed 4-level amplitude-shift-keying (PDM-4ASK) signal with electroabsorption modulators and transmit it over 960-km standard single-mode-fiber (SSMF) using digital coherent detection with 20% overhead soft-decision forward-error-correction.