CSO distortions due to the combined effects of self- and external-phase modulations in long-distance 1550-nm AM-CATV systems

Author

Wu, M.C. ; Wang, C.H. ; Way, W.I.

Author_Institution

Dept. of Commun. Eng., Nat. Chiao Tung Univ., Hsinchu, Taiwan

Volume

11

Issue

6

fYear

1999

fDate

6/1/1999 12:00:00 AM

Firstpage

718

Lastpage

720

Abstract

We found that the combined effects of self- and external-phase modulations must be considered in order to precisely predict the composite second-order distortions in a long-distance 1550-nm externally modulated AM-cable TV (CATV) system, especially when the applied phase modulation index and modulating tone frequency to the integrated phase modulator are high. This result has important implications to the optimum design of 1550-nm transmitter for long-distance AM and QAM-CATV systems.

Keywords

amplitude modulation; cable television; optical fibre subscriber loops; optical modulation; quadrature amplitude modulation; self-phase modulation; 1550 nm; 1550-nm transmitter; CSO distortions; QAM-CATV systems; applied phase modulation index; composite second-order distortions; external-phase modulation; externally modulated AM-cable TV system; integrated phase modulator; long-distance 1550-nm AM-CATV systems; modulating tone frequency; optimum design; self-phase modulation; Brillouin scattering; Erbium-doped fiber amplifier; Intensity modulation; Nonlinear distortion; Optical distortion; Optical interferometry; Optical modulation; Optical transmitters; Phase modulation; Scanning probe microscopy;

fLanguage

English

Journal_Title

Photonics Technology Letters, IEEE

Publisher

ieee

ISSN

1041-1135

Type

jour

DOI

10.1109/68.766796

Filename

766796