透過折射率變化之水平式隙縫光波導耦合器模擬研究

Study of Optical Directional Coupler Based on Horizontal Slot Waveguide by Changing the Refractive Index

范姜士奇(Fan-Jiang Shih-Chi)

指導教授 ： 王立康

國立清華大學/電機資訊學院/光電工程研究所/碩士(2014年)

摘要

本論文提出並以模擬驗證一極化無關之光方向耦合器，透過變換不同流體折射率之方式，使其隙縫式光波導之兩偏振態之耦合長度一致，達一極化無關之元件效果；另一方面，探討其耦合長度曲線，進一步設計一極化分光器，並可通過有無流體之選擇，達一近極化無關耦合器與一極化分光器之切換。
再者，將其光纖耦合器與光方向耦合器設計於同一積體晶片上，並採用雙層錐形脊狀之結構，達水平與垂直方向之漸變耦合。

關鍵字

隙縫式光波導 ； 方向耦合器

參考文獻

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