| 半导体激光器的线宽压窄及频率连续调谐 |
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| 引用本文： | 王波,姚景芹,武海斌,沈云,谢常德,王海.半导体激光器的线宽压窄及频率连续调谐[J].量子光学学报,2004,10(2):82-86. |
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| 作者姓名： | 王波 姚景芹 武海斌 沈云 谢常德 王海 |
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| 作者单位： | 1. 量子光学与光量子器件国家重点实验室,山西大学光电研究所,山西,太原,030006
2. 武汉大学物理科学与技术学院,湖北,武汉,430072 |
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| 基金项目： | 国家自然科学基金(No.60325414和No.60238010)，山西省自然科学基金(No.20011030和No.20031007)，山西省归国留学人员基金 |
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| 摘 要： | 我们利用共焦F—P腔光学弱反馈技术，实现了单模GaAlAs半导体激光器线宽压窄、频率锁定及连续调谐。其线宽从自由运转时的10MHz被压窄到45kHz，并可将频率锁定于共焦F—P腔。实验证明，在弱反馈情况下，激光器的频率连续调谐范围与共焦FP腔的光强反馈量近似成正比，实现了在铷原子D2线附近1．2GHz的频率连续调谐，
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| 关 键 词： | 窄线宽半导体激光器 共焦F-P腔 反馈量 频率调谐范围 |
| 文章编号： | 1007-6654(2004)02-0082-05 |
| 收稿时间： | 2004/4/27 |
| 修稿时间： | 2004年4月27日 |
Narrowing Linewidth and Continuously Frequency-Tuning of a Semiconductor Laser |
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| WANG Bo,YAO Jingqin,WU Haibing,SHEN Yun,XIE Changde,WANG Haim Optics Devices.Narrowing Linewidth and Continuously Frequency-Tuning of a Semiconductor Laser[J].Acta Sinica Quantum Optica,2004,10(2):82-86. |
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| Authors: | WANG Bo YAO Jingqin WU Haibing SHEN Yun XIE Changde WANG Haim Optics Devices |
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| Affiliation: | WANG Bo,YAO Jingqin,WU Haibing,SHEN Yun,XIE Changde,WANG Haim Optics Devices,Institute of Opto-Electronics,Shanxi University,Taiyuan 030006,China) |
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| Abstract: | Using the technology of the weak optical feedback from a confocal F-P cavity, we demonstrated the narrowing linewidth, frequency locking and continuously frequency-tuning of a single-mode semiconductor laser. The linewidth is reduced from 10 MHz at free runing to 45 kHz with the optical feedback while the frequency is locked to the confocal F-P cavity. The continuously frequency-tuning range is linearly proportional to the feedback power ratios under the condition of the weak optical feedback, approximately. The continuously frequency-tuning range of 1.2 GHz around D_2 line of Rubidium is experimentally realized. |
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| Keywords: | narrow linewidth semiconductor laser confocal F-P cavity feedback power ratio frequency tuning range |
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