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G.655光纤DWDM系统的DCF色散补偿方案比较 被引量:8

Comparison of the DCF dispersion compensation schemes in DWDM system with G.655
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摘要 研究了NRZ-DPSK和NRZ-DQPSKG.655光纤40Gb/sDWDM通信系统中预补偿和逐段补偿两种色散补偿方案。通过仿真对比了这两种方案的色散性能和非线性性能,得出预补偿方案优于逐段补偿方案。在未来50GHz通道间隔40Gb/sDWDM系统中,采用预补偿能获得更好的传输性能。 Tow schemes of dispersion compensation, pre-compensation and section-by-section compensation, are studied in 40Gb/s DWDM system with G.655 using NRZ-DPSK and NRZ-DQPSK modulation formats. A simulation is implemented to compare the dispersion and nonlinearity performance of these two methods, and it is found that pre-compensation performances better than section-by-section-compensation. The usage of pre-compensation will obtain better transmission capability in future 40Gb/s DWDM system with 50GHz channel-spacing.
出处 《光通信技术》 CSCD 北大核心 2008年第2期25-28,共4页 Optical Communication Technology
基金 教育部留学归国人员教学 科研经费建设项目资助
关键词 光通信 G.655 DCF色散补偿 NRZ-DPSK NRZ—DQPSK optical communication G.655 DCF dispersion compensation NRZ-DPSK NRZ-DQPSK
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参考文献10

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