中文摘要
本論文探討應用於光纖通信OC-48光收發模組的研製與特性。光收發模組所使用的元件由兩部分所組成，光發射端使用雷射驅動IC與1310nm 法布里-柏羅雷射(Fabry-Perot Laser，FP)的光發射次組裝模組(Transmitter Optical Sub-Assembly，TOSA) ，而接收端為限幅放大器與1310nm 檢光二極體(Photo Detector)的光接收次組裝模組(Receiver Optical Sub-Assembly，ROSA)所構成。
對於雷射量測功率-電流(L-I)曲線分析其靜態響應，並藉由向量網路分析儀量測雷射的動態響應，藉此分析封裝後雷射其有效頻寬。這些參數有助於雷射驅動電路在高頻訊號操作下的分析。採用DC-Coupling的電路方式使驅動IC的電流訊號能順利轉換成光訊號輸出。
OC-48光收發模組的操作情況為：雷射輸出光功率為-6dBm，在訊號27-1，傳輸速率2.5Gb/s。眼圖量測的結果決定性時閃值(Deterministic Jitter)為49.88ps (0.1247 UI)，可符合ITU-T的遮罩(mask)規範之內。經過一公尺光纖的傳輸後，其接收端決定性時閃值125.28ps(0.3132 UI)也能符合ITU-T的mask規範。未來需要在接收機設計上需要降低其決定性時閃值。

Abstract
In this thesis, the fabrication and performance of the OC-48 optical transceiver modules applied in optical communication network are studied. The optical transceiver modules consist of two parts：the transmitter and receiver. In the transmitter, laser driver IC and 1310nm FP (Fabry-Perot) Laser are used. In the receiver, limiting amplifier IC and 1310nm ROSA (Receiver Optical Sub-Assembly) are introduced.
The static response of L-I curve and dynamic responses of VNA (Vector Network Analyzer) are studied. The effective bandwidth of LD can be observed from dynamic response. These parameters can help us to determine the LD driver for use in high frequency operation. Then, the method of DC-Coupling circuit to drive IC can be successfully transferred to optical signal.
The operation conditions of an OC-48 transceiver module are the laser output power of -6dBm, signal pattern of 27-1, and data rate of 2.5Gb/s. The result of eye diagram measurement can meet the mask of ITU-T standards with the deterministic jitter of 49.88ps (0.1247 UI).。After 1 meter fiber transmission, the receiver can meet ITU-T standard with deterministic jitter of 125.28ps (0.3132 UI). In the future, the receiver should be improved to get a lower deterministic jitter.

目錄
頁次
中文摘要.................................................................................................. Ⅰ
英文摘要……………………………………………………………….. Ⅱ
目錄…………………………………………………………………….. Ⅳ
圖表目錄……………………………………………………………….. Ⅶ
第一章 序論 1
1.1 研究動機………………………………………………… 1
1.2 論文架構………………………………………………… 2
第二章 光發射機之光源 3
2.1 概要……………………………………………………… 3
2.2 雷射運作原理…………………………………………… 3
2.3 雷射種類………………………………………………… 4
2.4 調變種類………………………………………………… 6
2.4 雷射的靜態響應(L-I曲線)……………………………… 8
2.5 雷射動態響應…………………………………………… 13
2.5.1 開啟延遲(Turn on delay)……………………………. 13
2.5.2 小訊號分析(Small-Signal Analysis)………………... 16
第三章 收發模組的電路設計 19
3.1 光發射機模組…………………………………………… 19
3.1.1 偏壓電流電路……………………………………….. 22
3.1.2 雷射調變電路……………………………………….. 24
3.1.3 IC外部電路圖……………………………………... 25
3.1.4 DC-Coupling……………………………………….. 27
3.1.5 AC-Coupling……………………………………….. 28
3.2 光接收機模組……………………………………………. 30
3.2.1 接收機驅動IC …………………………………….. 30
3.2.2 檢光二極體特性………………………………….... 33
3.2.3 接收機電路設計…………………………………… 35
第四章 印刷電路板佈局之設計與實驗量測結果 36
4.1 印刷電路板佈局終端(Termination)之設計……………… 36
4.1.1 Source Termination………………………………….. 36
4.1.2 Series termination…………………………………… 38
4.1.3 Parallel termination………………………………….. 38
4.1.4 Thevenin termination………………………………... 39
4.1.5 AC termination……………………………………… 39
4.2 雷射頻率響應量測……………………………………….. 40
4.2.1 量測架構…………………………………………….. 40
4.2.2 雷射S11與S21量測結果……………………………. 42
4.2.3 結果討論…………………………………………….. 46
4.3 光發射機模組與光接收機模組量測……………………. 46
4.3.1 光收發模組量測架構……………………………….. 48
4.4 光收發模組量測眼圖……………………………………. 50
4.4.1 雷射驅動IC輸出訊號……………………………… 53
4.4.2 TOSA輸出光訊號…………………………………... 55
4.4.3 ROSA接收電訊號………………………………….. 56
4.4.4 光收發模組眼圖量測……………………………….. 57
4.4.5 結果討論…………………………………………….. 58
第五章 結論與未來工作 60
5.1 結論……………………………………………………….. 60
5.2 未來工作………………………………………………….. 60
參考文獻……………………………………………………………….. 61

參考文獻
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