研究生: |
張忠民 Chung-ming Chang |
---|---|
論文名稱: |
設計與實現雙向10-Gb/s傳輸的遠端泵激分波多工被動光網路 Design and Realization of Remotely Pumped WDM-PONs for Bidirectional 10-Gb/s Transmission |
指導教授: |
李三良
San-liang Lee |
口試委員: |
吳靜雄
Jing-shown Wu 楊淳良 Chun-Liang Yang 曾昭雄 Chao-hsiung Tseng |
學位類別: |
碩士 Master |
系所名稱: |
電資學院 - 光電工程研究所 Graduate Institute of Electro-Optical Engineering |
論文出版年: | 2011 |
畢業學年度: | 99 |
語文別: | 中文 |
論文頁數: | 89 |
中文關鍵詞: | 分波多工被動光網路 、無色光源 、反射式電致吸收調變器 、遠端泵激 |
外文關鍵詞: | WDM-PON, colorless, REAM, Remotely Pumped |
相關次數: | 點閱:460 下載:1 |
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本論文提出一個可以雙向10-Gb/s傳輸的遠端泵激分波多工被動光網路的架構,目的是希望可以提供更高速的雙向傳輸,並且提供更好的訊號傳輸品質。我們在OLT端同時傳輸Blue-Band的下行光源以及Red-Band的CW光源。在下行部分我們以馬赫任德調變器來對下行光源做外部調變。此外,在遠端增添一摻鉺光纖,利用遠端泵激的方式,提供上下行訊號增益,補償在ONU端使用反射式電致吸收調變器的功率損失,也因為在ONU端使用反射式的調變元件,我們得以達成Colorless的目的以及簡化ONU端的設計。並且使用遠端泵激的方式,較在局端進行放大,可以獲得更佳的光訊號雜訊比。
在此設計架構下,可達成上行與下行皆傳輸10-Gb/s的雙向傳輸系統,並且在OLT端另外注入一L-Band的光源來對整個傳輸系統做監控。另外我們對於同時多波長傳輸的系統,也加以量測並且分析其功率與傳輸品質。
This work proposes an architecture of Remotely Pumped WDM-PON with bidirectional 10-Gb/s transmission to provide large bandwidth and good signal quality. In the proposed system, the downstream light sources of Blue-band and CW light sources of Red-band are transmitted simultaneously from the OLT side; and a Mach-Zehnder Modulator (MZM) is used to perform external modulation for the downstream light source. Moreover, we add an Erbium-doped fiber at the remote node and use a 1480-nm laser to provide remote pumping. This can provide gain to both the downstream and upstream signals, and compensate the power loss of the Reflected Electroabsorption modulators (REAMs). The use of REAMs at the ONU side makes the ONUs colorless.
The bidirection 10-Gb/s transmission system could be achieved with low power penalty by using the proposed architecture. Furthermore, a L-Band light source is used at the OLT for channel monitoring. We also investigate the gain characteristics for multiple wavelength channels and estimate the power budget.
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