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題 名 | 週期性分段波導一對二分光器之設計=1×2 Optical Divider Design Using Periodically Segmented Waveguides |
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作 者 | 葉建男; 陸瑞強; | 書刊名 | 宜蘭大學工程學刊 |
卷 期 | 5 2009.03[民98.03] |
頁 次 | 頁65-74 |
分類號 | 448.59 |
關鍵詞 | 週期性分段波導; 分光器; 插入損耗; Periodically segmented waveguides; Optical divider; Insertion loss; |
語 文 | 中文(Chinese) |
中文摘要 | 本文使用了週期性分段波導(Periodically segmented waveguides, PSW)幫助模態轉換,藉著降低光波傳輸於模態轉換(Mode transformer)時的插入損耗(Insertion loss)來設計一對二的積體光學分光器。這是由於週期性分段波導可以改變傳播方向折射率的特性,進而使光波能量重新分配,因此用來使漸變(Taper)波導減少輻射損耗。此結構之分光器的傳輸率高並且不需要複雜的製程步驟。 |
英文摘要 | In this letter, we use the periodically segmented waveguides (PSW) to design a 1x2 optical divider. The periodically segmented waveguides can avail the mode transforming to reduce the insertion loss and taper the refractive index along the propagate direction to redistribute the lightwave energy. Thus, by reducing the radiation loss of taper waveguide, the proposed structure has a high transmission. Furthermore, the proposed technique is simple to implement with a single-step fabrication process. |
本系統中英文摘要資訊取自各篇刊載內容。