外调制光波AM-CATV系统中受激布里渊散射的抵消

Proceedings of LFNM'2000. 2nd International Workshop on Laser and Fiber-Optical Networks Modeling (Cat. No.00EX419) Pub Date : 2000-05-23 DOI:10.1109/LFNM.2000.854044

M. Jaworski, M. Marciniak

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引用次数: 12

摘要

对AM-CATV链路中的受激布里渊散射进行了分析。在外部调制光波AM-CATV系统中，受激布里渊散射阈值功率(约7 dBm)可以通过光载波的宽带相位调制而大大增加。评估了相位调制对传输光纤自相位调制和色散引起的非线性失真的影响。在某些特殊情况下，提出了与调幅同步的附加相位调制，从而降低了CSO失真，增加了传输距离。

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Counteracting of stimulated Brillouin scattering in externally modulated lightwave AM-CATV systems

Analysis of stimulated Brillouin scattering (SBS) in an AM-CATV link is presented. In externally modulated lightwave AM-CATV systems the stimulated Brillouin scattering threshold power (around 7 dBm) can be considerably increased by broadband phase modulation of the optical carrier. Influence of the phase modulation on nonlinear distortion caused by self phase modulation and dispersion of the transmission fiber was evaluated. Additional phase modulation, synchronized with amplitude modulation, was proposed which, in some special cases, leads to CSO distortion decreasing and increasing the transmission distance.

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Proceedings of LFNM'2000. 2nd International Workshop on Laser and Fiber-Optical Networks Modeling (Cat. No.00EX419)

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