研究生: |
劉大維 Liu, Ta-Wei |
---|---|
論文名稱: |
Single- and Multi- Wavelength Tunable Laser Using Injection-Locked Fabry-Perot Laser Diode 注入式費比-佩羅雷射二極體之可調式單,多波長光纖雷射 |
指導教授: |
王立康
Wang, Li-Karn |
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: | 55 |
中文關鍵詞: | 可調式光纖雷射 、費比-佩羅 、雷射二極體 |
外文關鍵詞: | Tunable Laser, Fabry-Perot, Laser Diode |
相關次數: | 點閱:2 下載:0 |
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光纖雷射的製作大致分為兩種,線性迴路共振腔(Linear Cavity)與環形迴路共振腔(ring cavity),而我們是利用光環流器(Circulator)和可注入式Fabry-Perot Laser Diode來達成共振腔體,利用了Bending Fiber的理論和Fabry-Perot Laser Diode的操作電壓來控制雷射的波長輸出。
ㄧ開始我們先利用摻鉺光纖放大器來產生ASE(Amplified spontaneous emission),由於ASE是寬頻光源(Broadband light source),將此光源做Bending,不同波長下光纖損耗分佈不同,ASE分佈被改變,將此摻鉺光纖放大器做環形迴路共振腔,形成雷射輸出的波長將落在大訊號下摻鉺光纖放大器增益最大的波段,此方法除了降低各光調變元件的成本,例如FBG(Fiber Bragg Grating)等等,現在我們想要產生多波長雷射,運用均勻介質(Homogeneous Broadening Medium)的摻鉺光纖是不行的,所以我們在共振迴路中加上Fabry-Perot Laser Diode,使得共振腔內有兩種增益介質,並利用Fabry-Perot Laser Diode的非均勻介質來產生多波長雷射,結合Bending與Fabry-Perot Laser Diode就能產生可調式單、多波長光纖雷射。
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