研究生: |
劉耀文 Liu, Yao-Wen |
---|---|
論文名稱: |
半導體銻化銦光子晶體光學性質之研究 Studies of properties in semiconductor made of InSb photonic crystal. |
指導教授: |
吳謙讓
Wu, Chien-Jang |
學位類別: |
碩士 Master |
系所名稱: |
光電工程研究所 Graduate Institute of Electro-Optical Engineering |
論文出版年: | 2016 |
畢業學年度: | 104 |
語文別: | 中文 |
論文頁數: | 53 |
中文關鍵詞: | 光子晶體 、全方向能隙 、濾波器 |
英文關鍵詞: | Photonic band gap, Omnidirectional band gaps, filter |
DOI URL: | https://doi.org/10.6345/NTNU202205091 |
論文種類: | 學術論文 |
相關次數: | 點閱:156 下載:0 |
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光子晶體(PCs) 是由週期性排列不同折射率的介質製造的規則光學結構,其最重要的特點是具有光子能帶(PBGs),能使特定頻率的電磁波無法在光子晶體結構中傳播。而本論文的主要目的是要研究半導體銻化銦光子晶體的光學性質,我們藉由轉移矩陣法(TMM)來計算結構的頻譜圖,論文有兩個主題:
主題一是研究半導體銻化銦光子晶體的光子能隙,利用air/〖(AB)〗^N/air的結構,A=InSb、B=air、N=Stack number,藉由調變工作環境溫度、InSb與空氣層的厚度來改變光子能隙寬度和位移;改變其厚度跟溫度,也可使部分的全方向係能隙能達到的寬度與其能達到的角度增加。
主題二是研究半導體銻化銦光子晶體的透射特性,利用 air/〖(AB)〗^N/air /的結構來研究透射波峰,A=InSb、B=SiO_2,當我們去調變層數N時,會發現透射波峰數會跟我們調變的層數相同,而調變A跟B的厚度則可以使透射波峰波長變短、頻率升高,調變角度則可使透射波峰波長變長、頻率降低,若調整偏振TE、TM則影響較小,綜合以上特性,我們可以設計一個可調式多通道的濾波器。
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