研究生: |
賴世倫 Lai, Shih-Lun |
---|---|
論文名稱: |
利用半導體光學放大器之交互增益調變達成全光式二重訊號重建 All Optical 2R Regeneration Using Cross Gain Modulation in Semiconductor Optical Amplifier |
指導教授: |
馮開明
Feng, Kai-Ming |
口試委員: | |
學位類別: |
碩士 Master |
系所名稱: |
電機資訊學院 - 光電工程研究所 Institute of Photonics Technologies |
論文出版年: | 2009 |
畢業學年度: | 97 |
語文別: | 中文 |
論文頁數: | 60 |
中文關鍵詞: | 數位訊號重建 、半導體光學放大器 、交互增益調變 、麥克森干涉儀 、全光學 |
相關次數: | 點閱:2 下載:0 |
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半世紀以來,科技爆炸性的發展,使得人類對於知識汲取的需求量大增,進而激發了網路的迅速發展,傳統電纜傳輸已無法負荷龐大的資訊流量,因光通訊具有低損耗高容量的優勢,使它逐漸成為目前有線網路發展主流。世界各國積極推廣光纖網路,尤其以光纖到府(Fiber To The Home, FTTH)服務,是目前發展的一大目標。
近年來,都會網路逐漸發展成以光纖為傳輸終點的街衢基地台,在基地台將光訊號轉換成電訊號後,再傳輸到用戶端,大部分訊號處理都建置在電路上,因此要實現全光式網路的建置,必須仰賴全光式資訊處理技術之提升。失真變形的數位訊號,在電路上做訊號重建是一項很成熟的技術,然而在全光式網路上,以全光學的方式作訊號處理,則是仍在發展的階段,也是目前全光式網路重要的課題之一。
在此論文中,基於半導體光學放大器之交互增益調變機制,我們將介紹如何利用全光學的方式,將失真變形的光數位訊號,作訊號重建的動作,同時可以壓制半導體的過調現象以及避免啁啾情況發生。本論文中將分別介紹坊間作訊號重建的基本機制,並依其特性作比較整理;接著將依序介紹全光式邏輯反向訊號之生成系統、光路徑之精準量測系統以及訊號重建系統之機制,並詳細解說這三套系統如何組成2R訊號重建系統,最後將展現訊號重建之結果及討論。
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