Figure 4 | Scientific Reports

Figure 4

From: Increasing the information rates of optical communications via coded modulation: a study of transceiver performance

Figure 4

Experimentally measured normalised GMI, which provides the optimum modulation format and maximum code rate as a function of received SNR.

The dotted lines indicate the optimum SNR to change the cardinality of the modulation format in order to achieve the maximum throughput. The corresponding FEC overheads at the transition points between modulation formats are also displayed.

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