本論文旨在探討高密度分波多工被動元件中光波長間隔器（interleaver）之設計與製作，利用環形共振腔對不同偏極化及入射角具有不同之反射率來取代傳統光學鍍膜對波長選取範圍敏感之問題。因此選擇適當環形共振腔之入射角來達到所需之反射率，得到兩種平坦化之新型光波長間隔器。
架構一係新型環形共振腔偏振光干涉型（ring-cavity based birefringent interferometer，RCBI）光波長間隔器。RCBI架構之光波長間隔器實驗結果，在25GHz頻道間距其0.5-dB 帶通寬度大於0.14 nm (70%頻道間距)、25-dB 截止寬度大於0.14 nm (70%頻道間距)、隔離度高達28 dB及插入損失低於2.2 dB。
架構二係新型環形共振腔沙克那克型（ring-cavity based birefringent Sagnac interferometer，RCBSI）光波長間隔器。在25GHz頻道間距時，使用RCBSI光波長間隔器其0.5-dB 帶通寬度大於0.145 nm (72.5%頻道間距)、25-dB 截止寬度大於0.145 nm (72.5%頻道間距)、隔離度高達36 dB及插入損失低於1.5 dB。
比較RCBI與RCBSI架構之光波長間隔器實驗結果，RCBSI光波長間隔器所使用之光學元件較少，其0.5 dB帶通寬度及25-dB截止寬度具有較寬特性，同時可得較高之隔離度及較低之插入損失，在頻寬利用上增加了2.5%，在頻道隔離度上增加了8 dB，插入損失上減少了0.7 dB。因此新型RCBSI架構之光波長間隔器較適合應用於高密度分波多工系統。

In this study, we propose and demonstrate a flat-top birefringent optical interleavers utilizing a new ring-cavity as a phase-shift element. The uniform performance over entire C-band is a result of the unique ring-cavity architecture which utilizes Fresnel reflections of the prism-air interface to provide the partial reflections. Unlike dielectric mirrors with thin-film coatings, the reflectivities of Fresnel reflection are insensitive to wavelength variations in the transmission band.
In the ring-cavity based birefringent interferometer (RCBI) interleaver, the spectral transmission characteristics of the interleaver with a 25-GHz channel spacing exhibits a 0.5-dB passband larger than 17.5 GHz (70% of the channel spacing), a 25-dB stopband greater than 17.5 GHz (70% of the channel spacing), a channel isolation better than 28 dB, and insertion loss lower than 2.2 dB.
In the ring-cavity based birefringent Sagnac interferometer (RCBSI) interleaver, the spectral transmission characteristics of the interleaver with a 25-GHz channel spacing exhibits a 0.5-dB passband larger than 18.1 GHz (72.5% of the channel spacing), a 25-dB stopband greater than 18.1 GHz (72.5% of the channel spacing), a channel isolation better than 36 dB, and insertion loss lower than 1.5 dB.
The RCBSI interleaver requires less number of optical components and hence results in more than 0.7 dB and 2.5% improvements in the insertion loss and band utilization, respectively, when compared to the RCBI interleaver. Therefore, the novel RCBSI interleaver can be used in dense wavelength division multiplexing (DWDM) applications.

誌謝 --------------------------------------------Ⅰ
中文摘要 ----------------------------------------Ⅱ
英文摘要 ----------------------------------------Ⅲ
目錄 --------------------------------------------Ⅳ
圖表索引 ----------------------------------------Ⅷ

第一章 序論 --------------------------------------1
1-1 前言 --------------------------------------1
1-2 多工技術之簡介及原理 ----------------------3
1-3 光波長間隔器技術及簡介 --------------------6
1-3.1非平衡馬赫-任德干涉儀型光波長間隔器 ---8
1-3.2偏振光干涉型光波長間隔器 --------------9
1-3.3邁克森GTE干涉型光波長間隔器 ----------10
1-3.4雙折射GTE干涉型光波長間隔器 ----------10
1-3.5薄膜濾波器型光波長間隔器 -------------11
1-4 研究動機 ---------------------------------12
1-5 論文架構 ---------------------------------14
第二章 邁克森GTE干涉型光波長間隔器 -------------22
2-1 邁克森GTE干涉型光波長間隔器之原理 --------22
2-1.1 GTE之工作原理 ------------------------22
2-1.2 一個GTE之邁克森GTE干涉型光波長間隔器
-------------------------------------24
2-1.3 二個GTEs之邁克森GTE干涉型光波長間隔器
-------------------------------------29
2-1.4 邁克森GTE干涉型光波長間隔器之設計容忍賭
-------------------------------------34
2-2 邁克森GTE干涉型光波長間隔器之色散模擬 ---36
2-2.1 50 GHz頻道間距使用一個GTE之邁克森GTE干
涉型光波長間隔器色散模擬 ------------39
2-2.2 50 GHz頻道間距使用二個GTEs之邁克森GTE
干涉型光波長間隔器色散模擬 ----------40
2-3 邁克森GTE干涉型光波長間隔器之色散補償 ---41
2-3.1 邁克森GTE干涉型光波長間隔器之色散補償架
構 ----------------------------------41
2-3.2 50 GHz頻道間距使用一個GTE之邁克森GTE干
涉型光波長間隔器色散補償 ------------43
2-3.3 50 GHz頻道間距使用二個GTEs之邁克森GTE
干涉型光波長間隔器色散補償 ----------44
2-4 邁克森GTE干涉型光波長間隔器之實驗與量測 -45
2-4.1 使用一個GTE之邁克森GTE干涉型光波長間隔
器 ----------------------------------45
2-4.2 使用二個GTEs之邁克森GTE干涉型光波長間
隔器 --------------------------------47
2-5 討論與分析 -------------------------------49
第三章 新型環形共振腔之光波長間隔器 ------------64
3-1 新型環形共振腔之架構與原理 ---------------64
3-2 新型環形共振腔之Fresnel反射率 -----------66
3-3 新型環形共振腔光波長間隔器之光譜特性 -----68
3-3.1 新型RCBI光波長間隔器架構 -----------69
3-3.2 25 GHz頻道間距之新型RCBI光波長間隔器
-------------------------------------72
3-3.3 12.5 GHz 頻道間距之新型RCBI光波長間隔器
------------------------------------74
3-3.4 新型RCBI光波長間隔器之設計容忍度 ---75
3-3.5 新型RCBSI光波長間隔器架構 ----------78
3-3.6 25 GHz頻道間距之新型RCBSI光波長間隔器
-------------------------------------80
3-3.7 12.5 GHz 頻道間距之新型RCBSI光波長間隔
器-----------------------------------82
3-3.8型RCBSI光波長間隔器之設計容忍度 ----83
3-4 新型環形共振腔光波長間隔器之色散特性 -----86
3-4.1 新型RCBI光波長間隔器之色散模擬 -----87
3-4.2 25 GHz 頻道間距新型RCBI光波長間隔器之色
散模擬 ------------------------------88
3-4.3 12.5 GHz 頻道間距新型RCBI光波長間隔器之
色散模擬 ----------------------------89
3-4.4 新型RCBI光波長間隔器之色散補償 -----90
3-4.5 25 GHz頻道間距新型RCBI光波長間隔器之色
散補償 ------------------------------91
3-4.6 新型RCBSI光波長間隔器之色散模擬 ----92
3-4.7 25 GHz 頻道間距新型RCBSI光波長間隔器之
色散模擬 ----------------------------94
3-4.8 12.5 GHz 頻道間距新型RCBSI光波長間隔器
之色散模擬 --------------------------94
3-4.9 新型RCBSI光波長間隔器之色散補償 ----95
3-4.10 25 GHz頻道間距新型RCBSI光波長間隔器之
色散補償 ---------------------------97
第四章 新型環形共振腔光波長間隔器之實驗結果與討論 -----------------------------------------115
4-1新型RCBI光波長間隔器之實驗結果 ----------115
4-2 新型RCBSI光波長間隔器之實驗結果 ---------116
第五章 結論 ------------------------------------122
參考文獻 ---------------------------------------125
論文發表 ---------------------------------------128
作者簡介 ---------------------------------------130

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