中国激光, 2018, 45 (4): 0401001, 网络出版: 2018-04-13
单段式分布式反馈半导体激光器光学锁相环研究 
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Optical Phase-Locked Loop of Single Section Distributed Feedback Semiconductor Laser
图 & 表
图 2. (a)单段式DFB半导体激光器OPLL结构;(b)超前移相功能电路
Fig. 2. (a) OPLL structure of single section DFB semiconductor laser; (b) function circuit of lead phase shift
图 3. 单段式DFB半导体激光器频率调制幅度/相位响应曲线
Fig. 3. Frequency modulation amplitude/phase response curve of single section DFB semiconductor laser
图 4. (a)自由运转与相位锁定情况下主从激光器的拍频信号;(b)相位锁定情况下在100 kHz视频带宽内的主从激光器拍频信号
Fig. 4. (a) Beating signals of master and slave lasers under free-running and phase-locked states; (b) beating signal of master and slave lasers under phase-locked state in 100 kHz view bandwidth span
图 5. 锁相前后从激光器线宽测量图。(a)自由运转状态;(b)相位锁定状态
Fig. 5. Line width measurement results of slave laser before and after phase locking. (a) Free-running state; (b) phase-locked state
图 6. 主激光器、自由运转状态及不同相移参数下锁频及锁相状态从激光器的频率噪声功率谱密度曲线
Fig. 6. Frequency noise power spectrum density curves of master laser and slave laser in free-running and frequency/phase-locked state with different phase shift parameters
王建, 陈迪俊, 蔡海文, 冯俊波, 郭进. 单段式分布式反馈半导体激光器光学锁相环研究[J]. 中国激光, 2018, 45(4): 0401001. Wang Jian, Chen Dijun, Cai Haiwen, Feng Junbo, Guo Jin. Optical Phase-Locked Loop of Single Section Distributed Feedback Semiconductor Laser[J]. Chinese Journal of Lasers, 2018, 45(4): 0401001.
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