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題名 | 混合高密度分波多工系統架構在80公里大有效面積光纖傳送CATV、256-QAM與OC-48信號=A Hybrid CATV/256-QAM/OC-48 DWDM System over an 80-km LEAF Transport |
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作者姓名(中文) | 蔡文星; 呂海涵; | 書刊名 | 光學工程 |
卷期 | 85 2004.03[民93.03] |
頁次 | 頁37-46 |
分類號 | 448.6 |
關鍵詞 | 混合高密度分波多工; 大有效面積光纖; Index terms-hybrid dense-wavelength-division-multiplexing; Large effective area fiber; |
語文 | 中文(Chinese) |
中文摘要 | 一個混合高密度波長分波多工(DWDM)系統包含CATV、256-QAM與OC-48傳輸骨幹被提出與驗證。它使用兩個波長來傳送AM-VSB CATV信號,一個波長傳送256-QAM數位帶通信號與四個波長傳送OC-48 (2.5Gb/s)數位基頻信號。經過80km的大有效面積光纖(LEAF)傳送後,對於AM-VSB CATV信號通道,載波雜訊比(CNR)≥50dB、二階拍差失真 (CSO) ≥ 67dB和三階拍差失真(CTB) ≥67dB的好性能可被獲得,並且低的誤碼率 (BER)≤10⁻⁹可在256-QAM與OC-48數位信號通道中達成。 |
英文摘要 | A hybrid dense-wavelength-division-multiplexing (DWDM) system for CATV, 256-QAM and OC-48 trunking is proposed and demonstrated. It used two wavelengths for AM-VSB CATV, one wavelength for 256-QAM digital passband signals and four wavelengths for OC-48 (2.5 Gb/s) digital baseband signals transport. Good performances of carrier-to-noise ratio (CNR) ≥ 50dB, composite second order (CSO) ≥ 67dB and composite triple heat (CTB) ≥ 65dB were obtained for AM-VSB CATV; and low bit error rate (BER<10⁻⁹) had been achieved for 256-QAM OC-48 digital signals over an 80-km large effective area fiber (LEAF) transport. |
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