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論文名稱 Title |
回饋光對半導體雷射頻譜影響之研究 Spectra of the Semiconductor Lasers subjected to Optical Feedback |
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系所名稱 Department |
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畢業學年期 Year, semester |
語文別 Language |
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學位類別 Degree |
頁數 Number of pages |
82 |
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研究生 Author |
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指導教授 Advisor |
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召集委員 Convenor |
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口試委員 Advisory Committee |
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口試日期 Date of Exam |
2006-06-06 |
繳交日期 Date of Submission |
2006-07-04 |
關鍵字 Keywords |
回饋光 Optical Feedback |
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統計 Statistics |
本論文已被瀏覽 5689 次,被下載 9 次 The thesis/dissertation has been browsed 5689 times, has been downloaded 9 times. |
中文摘要 |
在此研究中我們以兩種半導體雷射探討回饋光對雷射頻譜的影響;在面射型雷射方面,我們利用波長選擇元件Etalon控制回饋光的波長,在雷射橫模頻譜上觀察對雷射橫模的控制效果。當面射型雷射從多橫模控制為單基模輸出時,其模態壓縮比可達14.8 dB,但是當輸出為單一高階橫模時,其模態壓縮比僅達6.4 dB。在抗反射鍍膜雷射的實驗中,我們利用正交偏振光回饋在時間上調變外腔式雷射的輸出,企圖產生鎖模脈衝,我們由雷射輸出光的頻率成分分析光脈衝性質,在實驗中可以觀察到正交偏振回饋光對雷射的調變並得到近似鎖模的脈衝輸出。 |
Abstract |
This research investigated the spectra of two different semiconductor lasers subjected to optical feedback. For the vertical -cavity surface-emitting laser (VCSEL),a wavelength selective element (Etalon) was used to feedback one of the transverse modes into the laser cavity. The experimental results showed that the multi-transverse modes could be suppressed to yield the fundamental mode output or a higher-order transverse mode output, in which the side-mode suppression ratio (SMSR) where 14.8 dB and 6.4 dB respectively. For the external cavity AR-coated laser, we studied the feasibility of generating mode-locking pulses by the temporal modulation of orthogonal-polarization optical feedback (OPF). The RF spectrum analyzer was employed to analyze the interaction. The observation clearly presented the spectra of mode- locking-like pulses in the laser’s output. |
目次 Table of Contents |
致謝辭 中文摘要 英文摘要 目錄 圖表目錄 第一節 簡介 第二節 半導體雷射之模態特性及雷射脈衝技術 第三節 半導體雷射之橫模控制及脈衝檢測技術 第四節 實驗系統介紹 第五節 實驗結果與討論 第六節 結論 參考資料 |
參考文獻 References |
參考資料 [1] Barland, F. M., and Baller, S., “Single-Mod Operation and Transverse-Mode Control in Induced by Frequency-Selective Feedback‚” IEEE Photonics Technology Letters., 15, 789, 2003. [2] Bond, A. E., Dapkus, D., and O’Brien, J. D.,“Design of Low- Loss Single-Mode Vertical-Cavity Surface-Emitting Lasers‚”IEEE Journal of Selected Topics in Quantum Electronics., 5, 574, 1999. [3] Cheng, D. L., Liu, E. C., and Yen, T. C., “Single Transverse Mode Operation of a Self-Seeded Commercial Multimode VCSEL,” IEEE Photonics Technology Letters., 16, 1, 2004. [4] Chu, H. H., “A Versatile 10-TW Laser System with Robust Passive Controls to Achieve High Stability and Spatiotemporal Quality,” Appl. Phys B., 79, 193, 2004. [5] Degen, C., Fischer. I., and Elsaber, W., “Transverse modes in oxide confined VCSELs: Influence of Pump Profile, Spatial Hole Burning and Thermal Effects,” Optics Express., 5, 38, 1999. [6] DiMauro, L. F., “Atomic photography,” Nature., 419, 789, 2002. [7] Drescher, M., Hentschel, M., Kienberger R., Uiberacker, M.,Yakovlev, V., Scrinzi, A., Westerwalbesloh, T., Kleineberg, U., Heinzmannt, U., and Krausz, F., “Time-resolved atomic spectroscopy‚” Nature., 419, Oct. 2002. [8] Huhse, D. M., Schell, W., Kassner, J., and Bimberg, D.,“Dynamics of Single-Mode Formation in Self-Seeded Fabry-Perot Laser Diodes,” IEEE Photonics Technology Letters.,7, 351, 1995. [9] Zewail, A. H., “Atomic-Scale Dynamics of the Chemical Bond,”The Journal of Physical Chemistry A., 104, 24, 2000. [10] 郭艷光., “電子躍遷與雷射效應,” 科學月刊., 2月號, 1-10, 1998. [11] 劉恩齊., “以光回饋控制面射形半導體之研究,” 國立中山大學物理所, 碩士論文, 2003. [12] 程達隆., “正交偏振光回饋對半導體雷射之影響研究,” 國立中山大學物理所, 博士論文, 2003. [13] 張哲維.,“半導體雷射利用正交偏振光回饋的方法產生高速 光振盪之研究,” 國立中山大學物理所, 碩士論文, 1994. [14] 沈柯.,“雷射物理教程,” 第一版, 亞東書局, 1990. [15] 柏恩/馬英俊譯.,“雷射,” 第四版, 徐氏基金會, 1987. |
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