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RZ-DPSK架構利用高拉曼增益之色散補償光纖應用於超長距離高密度分波多工系統之研究與設計

High Raman Gain of Dispersion Compensation Fiber Using RZ-DPSK Format for Long-Haul DWDM Transmission System

摘要


本論文是利用拉曼放大器搭配單模光纖(SMF)與色散補償光纖(DCF),應用於高密度分波多工系統之光通信架構,並分析非歸零開關鍵制(NRZ)、歸零開關鍵制(RZ)、非歸零差動相位偏移鍵制(NRZ-DPSK)與歸零差動相位偏移鍵制(RZ-DPSK)等四種調變,應用於16×10 Gb/s傳輸速度,並保持長距離高密度分波多工系統傳輸之效能,經由自行設計之系統架構,利用歸零差動相位偏移鑑制調變架構,可傳輸1800km,而達到超長距離傳輸;並利用增強型前向糾錯(FEC)技術,改善系統誤碼性能,提高傳輸容量。

並列摘要


We investigated the transport of a 16 channels 40 Gb/s Dense Wavelength Division Multiplexing (DWDM) system which uses high Raman gain of dispersion compensation fiber for long-haul DWDM transmission. Using the NRZ-OOK, RZ-OOK, NRZ-DPSK, RZ-DPSK modulation format with an optimized dispersion compensation format, we demonstrate DWDM transmission with a capacity of 640 Gb/s with 0.4 nm channel spacing over 1800 km of transmission fiber. The transmission system structure uses 80 km SMF and 20 km DCF for eighteen spans in the C band wavelength range and a Raman Amplifier with high Raman gain to achieve long-haul transmission. We also used enhanced Forward Error Correction (FEC) for high capacity transmission over several thousand kilometers with the RZ-DPSK modulation format.

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