Theoretical and Experimental Investigation of Direct Detection Optical OFDM Systems with Clipping and Normalization

<div><i>Q</i> factor values as a function of the launch power in 4 Gs/s QPSK DCO-OFDM after 100 km of transmission.</div>

Journal of Electrical and Computer Engineering

Figure 9: Theoretical and Experimental Investigation of Direct Detection Optical OFDM Systems with Clipping and Normalization 