光注入MQW半导体激光器分岔及其动力学稳定性  

Bifurcation and Dynamic Stability of a Light-Injection MQW Semiconductor Laser

作　　者：颜森林[1] 

机构地区：[1]南京晓庄学院物理系,南京210017

出　　处：《Journal of Semiconductors》2006年第5期910-915,共6页半导体学报（英文版）

摘　　要：研究外部光注入多量子阱激光器四维系统动力学行为及其分岔,数值模拟了外部光注入光强度、频差以及激光器线宽增强参数、驱动电流对分岔的影响,分别得到激光由分岔、周期、多周期进入混沌的过程以及激光混沌频谱.给出了多量子阱激光器静态锁模最大频域公式,导出了注入多量子阱激光器四维系统的一次近似下扰动方程和本征值方程及解,给出了该系统的Hopf分岔条件,理论和数值分析了系统的动力学稳定性行为,并进一步模拟得出激光单周期、双周期、六周期时振荡频率等值.The bifurcation,dynamic stability,and other properties of a four-dimensional model of an external light injection multi-quantum-well （MQW） semiconductor laser are studied. Bifurcation is numerically simulated via varying the external injection light intensity,the frequency detuning,the linewidth enhancement parameter, and the drive current of the laser. The route to chaos from bifurcation,single-period, and multi-period is illustrated, and a chaotic spectrum is also shown. The maximum locking frequency domain formula is given. A perturbation equation for a four-dimensional model of an external lightinjection MQW laser,and eigenvalue equation and its root are demonstrated. The Hopf bifurcation condition of the laser is theoretically given. The dynamic stability of the laser is theoretically and numerically analyzed. Laser oscillation frequencies in single-period,dual-period,and hexa-period states are obtained by simulation.

关 键 词：多量子阱激光器 分岔 稳定性 混沌 动力学稳定性 

分 类 号：TN248.4[电子电信—物理电子学]