8DESEM C. Composite second order distortion due to self-phase modulation in externally modulated optical AM SCM systems operating at 1550 nm[ J]. Electron Lett, 1994,30 (24) : 2055- 2056.
9WU M C,WANG C H,WAY W I. CSO distortions due to the combined effects of self- and externalphase modulations in long-distance 1550 nm AM CATV systems [ J ]. IEEE Photonics Tech Lett, 1999,11 ( 6 ) : 718- 720.
10BULOW H,FRITSCHI R,HEIDEMANN R,et al.Analog video distribution system with three cascaded 980 nm single-pumped EDFA' s and 73 dB power budget[J].IEEE Photonics Tech Lett,1992,4(11):1287-1289.
