摘要
近幾年來，由於網路越來越普及，因此光通訊的高傳輸需求快速上升，分波多工有效地應用在光纖網路上，光纖通訊所能提供的頻寬因此大大地提升許多。但是因為光纖通訊缺乏光的儲存技術，封包的交換系統至今仍然依賴電的技術來完成；要將光纖網路全部使用光的方式來實行，交換機所需要的緩衝系統是非常重要的一個要素。
在這份論文裡，我們將提出一個能夠實FIFO Queue的光學緩衝系統，這個系統主要是由許多不同長度的光纖、一個8X8 陣列波導光學光柵路由器以及波長轉換系統所組合而成，每條光纖因為長度的不同，能夠提供的緩衝時間也因此不一樣。透過特殊的演算法，我們能夠將訊號所需的緩衝時間由特定的光纖所組合，經由8X8 陣列波導光學光柵路由器以及波長轉換所組成的路由架構，便能夠提供封包需要的路由路徑來獲得正確的緩衝時間。
受制於時間以及儀器不足的限制，在這一份論文並沒有辦法實現完整的系統。但是針對光學緩衝系統所需要的主要技術：陣列波導光學光柵路由器以及波長轉換，在這份論文裡將逐一介紹。同時我們也透過實驗來證實這個架構確實能完成封包交換，並且透過陣列波導光學光柵路由器及波長轉換所組成的路由架構，也能夠順利地控制各個封包的路由路徑。在未來的實驗裡，只要將不足的波長轉換系統、Fast tunable laser以及光纖結合上去，便能夠實現一個以先進先出佇列為基礎的光學緩衝系統。

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