非週期性晶格極化反轉鈮酸鋰作為主動式窄頻寬通多波長濾波器及倍頻多波長濾波器

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姓名

林少偉(Shao-Wei Lin) 查詢紙本館藏

畢業系所

光電科學與工程學系

論文名稱

非週期性晶格極化反轉鈮酸鋰作為主動式窄頻寬通多波長濾波器及倍頻多波長濾波器
(Active narrowband multiple Telecom-Band Fundamental and Second-Harmonic wavelength filter in aperiodically poled lithium niobate)

相關論文

★ Continuous-wave narrow-line yellow laser generation in a diode-pumped Nd:YVO4 laser using volume Bragg gratings	★ 半導體雷射泵浦內建式Q-調制Nd:MgO:PPLN雷射之研究
★ 主動式多通道窄頻寬通Ti:PPLN波導濾波及模態轉換器之研究	★ 以鎂掺雜鈮酸鋰製作二倍頻藍光雷射波導元件之製程研究
★ 非週期性晶格極化反轉鈮酸鋰作為有效率的二倍頻和模態轉換器之研究	★ 積體式週期與非週期極性反轉鈮酸鋰光電與雷射元件
★ 退火式質子交換波導PPLN電光調制TM模態轉輻射偏振態之研究	★ 高效率雙Nd:YVO4 雷射和頻黃光產生系統
★ 以串級式電光週期性晶格極化反轉鈮酸鋰達成三波長主動式Q-調制Nd:YVO4雷射	★ 以單塊二維週期性晶格極化反轉鈮酸鋰同時作為Nd:YVO4雷射之電光Q調制器和腔內光參量振盪器
★ 綠光準相位匹配二倍頻質子交換鎂摻雜鈮酸鋰波導的製程研究	★ 以單晶片串級式週期性準相位匹配波長轉換器與非週期性準相位匹配電光偏振模態轉換器達成主動式調制窄頻輸出光參量振盪器之研究
★ 單片非週期性晶疇極化反轉鈮酸鋰同時作為Nd:YVO4雷射Q-調制和腔內光參量產生之研究	★ 準相位匹配二倍頻軟質子交換鎂摻雜鈮酸鋰波導研究
★ 以雙體積全像布拉格光柵及二維週期性晶疇極化反轉鈮酸鋰於Nd:YVO4雷射內達成脈衝式窄頻光參量振盪器之研究	★ 以非週期性晶疇極化反轉鈮酸鋰晶體作為電光波長調變光參量產生器

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摘要(中)

光學濾波器在光通訊中處理特定頻譜的訊號是不可或缺的；窄瀕濾波器更是特別重要；再者，多波長濾波器的主動元件在通訊系統中較被動元件更強大且多功能。
我們設計且做了第一個利用APLN當作在C band的主動式窄頻寬多波長濾波器。在5公分長的APLN元件，外加約700(V/mm)的電場(設設計值為298V/mm)，能夠同時使得8個電信波長有大於90%以上的穿透率(設計上~100%)，每個波長的頻寬約為0.45nm。我們在一片2cm的串極式APLN晶體，1cm長的波長濾波器接著1cm長的波長轉換器，得到了高度地抑制了邊葉波段的四個窄頻的二倍頻光。

摘要(英)

Optical Filters are quite dispensibale in optical communication allows the process of signals in special spectrum portions. Narrowband filters are particularly important. Moreover, Active devices with multiple wavelength filter would be much powerful and functional in the communication system than the passive ones.
we report the design and first experimental observation of active narrowband multiple wavelength filters in aperiodically poled lithium niobates (APLN) crystals in telecom C band. Simultaneous transmission of >90% (~100% in design) of 8 telecom wavelengths with each a bandwidth of ~0.45 nm was achieved in a 5-cm long APLN device when an electro-optic field of ~700 V/mm (~298 V/mm in design) was applied. We also obtained four peak-narrowed and highly sidelobe-suppressed second-harmonic generation (SHG) signals of four telecom wavelengths from a monolithic LiNbO3 crystal cascading a 1-cm long APLN wavelength filter and a 1-cm long APLN wavelength converter.

關鍵字(中)

★ 鈮酸鋰
★ 倍頻
★ 窄頻
★ 主動式
★ 濾波器
★ 多波長
★ 極化反轉
★ 準相位匹配

關鍵字(英)

★ Lithium Niobate
★ LiNbO3
★ Quasi-Phase Matching
★ active
★ narrow band
★ telecom band
★ SHG
★ second-harmonic generation
★ poling
★ Multiple Wavelength
★ filter

論文目次

目錄
摘要.....................................i
致謝...................... ..............iii
目錄.....................................iv
圖目.....................................vi
表目.....................................ix
第一章緒論..............................1
1.1 光通訊之發展趨勢.....................1
1.2 研究動機.............................3
1.3 內容概要.............................5
第二章理論背景..........................6
2.1 準相位匹配原理.......................6
2.2 週期性反轉之鈮酸鋰晶體的電光效應.....11
2.3 非週期性區塊光軸反轉之鈮酸鋰晶體.....18
第三章元件之設計與製程..................21
3.1 元件設計.............................22
3.1.1 模擬退火法作最佳化.................22
3.1.2 電極之設計.........................24
v
3.2 元件製程.............................27
第四章實驗量測及結果分析................34
4.1 實驗架構.............................34
4.2 實驗量測結果.........................37
4.2.1 Cascade APLN 實驗量測結果..........37
4.2.2 五公分之APLN 實驗量測結果..........45
4.3 製程誤差模擬.........................48
4.3.1 區塊合併模擬.......................48
4.3.2 過反轉模擬.........................51
4.3.3 隨機誤差模擬.......................53
4.3.4 串極式EO-PPLN 模擬.................55
4.4 Duty Cycle 對效率的影響..............57
第五章結論與未來展望....................60
5.1 結論.................................60
5.2 未來展望.............................61
參考文獻.................................64

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指導教授

陳彥宏(Yen-Hung Chen)

審核日期

2007-1-18

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