S. Betti et al., ANALYSIS OF DISTORTION EFFECTS IN SUBCARRIER-MULTIPLEXED (SCM) EXTERNALLY MODULATED LIGHTWAVE SYSTEMS - A GENERALIZED-APPROACH, IEEE photonics technology letters, 9(1), 1997, pp. 118-120
A generalized analysis is presented for the evaluation of intermodulat
ion distortion effects in case that external intensity modulators are
used for the transmission of analog/digital (AM/QAM) channels in an SC
M based optical access network. The proposed model can provide useful
information to select external modulator and system parameters for per
formance optimization.