| 研究生: |
黃靖翰 Hwang, Ching-Hang |
|---|---|
| 論文名稱: |
利用半導體雷射非線性週期一動態處理光載微波系統振幅鍵移訊號以及相位鍵移訊號 Nonlinear Period-One Dynamics Of Semiconductor Lasers For Amplitude-Shift-Keying And Phase-Shift-Keying Signal Processing In Radio-over-Fiber Links |
| 指導教授: |
黃勝廣
Hwang, Sheng-Kwang |
| 學位類別: |
碩士 Master |
| 系所名稱: |
理學院 - 光電科學與工程學系 Department of Photonics |
| 論文出版年: | 2017 |
| 畢業學年度: | 105 |
| 語文別: | 中文 |
| 論文頁數: | 81 |
| 中文關鍵詞: | 光載微波系統 、光注入系統 、調制格式轉換 、微波放大 |
| 外文關鍵詞: | Radio-over-Fiber (RoF), Period-one Dynamics, Modulation Format Conversion, Photonic Microwave Amplification |
| 相關次數: | 點閱:151 下載:2 |
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本篇論文是利用光注入半導體雷射產生非線性週期一動態,並利用此動態進行光載振幅鍵移以及光載相位鍵移微波訊號處理。
針對光載振幅鍵移微波訊號,僅需一半導體雷射作為主要元件,藉由光注入系統即可將光載振幅鍵移微波訊號轉為光載相位鍵移微波訊號,可應用於網路通訊上訊號調制格式的轉換,減少傳統上轉換過程的設備成本與複雜度,以此為契機便開始探討各種可操作變因(如光注入強度、主副雷射頻率差、微波調制深度、振幅鍵移調制深度……等)對於輸出結果的影響。
而光載相位鍵移微波訊號,雖無法利用光注入系統的機制進行訊號調制格式轉換為振幅微波訊號,但其進入光注入系統之後不僅可維持原本相位調制深度,且因微波放大而提高了訊雜比,並在模擬通道具有白高斯雜訊的情況下,減少雜訊對於訊號的影響,使得無線通訊接收端的解調減少誤碼率的發生,因此探討各種可操作變因(如光注入強度、主副雷射頻率差、微波調制深度……等)對於輸出結果的影響。
This thesis proposes to analyze the ASK and PSK signal processing in radio over fiber (RoF) links using nonlinear period-one dynamics of semiconductor lasers. In terms of ASK-RoF signal, after inputting to the laser diode, the ASK-RoF signal would be converted to be PSK-RoF signal. On the other hand, there is no PSK-to-ASK modulation format conversion in this study.
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