半导体激光器在外腔中的动态效应和不稳定性

International Meeting on Instabilities and Dynamics of Lasers and Nonlinear Optical Systems Pub Date : 1900-01-01 DOI:10.1364/idlnos.1985.fa4

K. Tatah, E. Garmire

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引用次数: 0

摘要

在直流驱动电流大于阈值20%的情况下，我们观察到了GaAlAs激光器在外腔中的自持续弛豫振荡。弛豫振荡的频率取决于驱动电流，如图1所示。采用标准速率方程，并考虑与电流相关的空腔衰减时间，结果与理论一致。如果没有这种电流依赖关系，我们得到的线性曲线如图1所示，这与实验不一致。

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Dynamic Effects and Instabilities in Semiconductor Lasers in External Cavities

We have observed self-sustained relaxation oscillations of GaAlAs lasers in external cavities for DC drive currents greater than 20% above threshold. The frequency of relaxation oscillations depends on drive current as shown in Figure 1. Using standard rate equations and including a current-dependent cavity decay time give good agreement with theory. Without this current dependence, we obtain the linear curve shown in Figure 1, which does not agree with the experiment.

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International Meeting on Instabilities and Dynamics of Lasers and Nonlinear Optical Systems

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