光电反馈对光锁相环性能的改善  

Improvement of Performance of Optical Phase-Locked Loop by Optoelectrical Feedback

作　　者：李林林[1] 

机构地区：[1]郑州大学电子系,郑州450052

出　　处：《半导体光电》1990年第4期336-339,343,共5页Semiconductor Optoelectronics

基　　金：河南省科学基金资助课题

摘　　要：本文分析了自差型光电反馈对半导体激光锁相环(OPLL)性能的影响,给出了自差型光电反馈半导体激光器(LD)作为 OPLL 本振时的相位传递函数,指出它不是理想积分型的。也讨论了这时 OPLL 的最佳自然频率和最小噪声方差。The effect of self-heterodyne type opto-electrcal feedback on the performance of semiconductor optical phase-locked loop(OPLL)is analyzed.The phase transfer function is given when the self-heterodyne type of opto-electrical feedback semiconductor laser diode is used as OPLL local oscillator.It is indicated that this function is not of an ideal integral version.Further,the optimum natural frequency and minimun noise variance for OPLL are discussed.

关 键 词：光锁相环 光电反馈 光接收机 通信 

分 类 号：TN929.1[电子电信—通信与信息系统]