简要介绍了半导体激光器的温度特性的后，分析了激光驱动器偏置电流提供和自动功率控制(APC)功能。
After the introduction of the characteristics of semiconductor laser diode, the bias current supply of the laser driver and the automatic power control (APC) function were analyzed.
利用数值模拟的方法研究了电流调制下偏置电流和调制频率对垂直腔面发射半导体激光器(VCSEL)混沌动力学特性的影响。
The influence of bias current and modulation frequency on chaos dynamics of vertical-cavity surface-emitting laser (VCSEL) subject to direct current modulation is investigated by numerical simulation.
理论分析表明频移幅度与调制频率、时间常数和半导体激光器的偏置电流等物理量有关。
It is made clear through the theoretical analysis that the frequency shift is dependent on the modulation frequency, thermal time constant, bias current of the laser diode and so on.
根据这两项指标，需要确定适当的激光器偏置电流和调制电流，并且偏置电流和调制电流需要随温度的变化而变化。
According to the performances, the bias current and the modulation current of the laser should be ascertained appropriately and should vary with the change of the temperature.
实验数据表明，光强调制度随激光器偏置电流的增加而加深，随调制频率的升高而减小。
Experimental data show that the intensity modulation depth increases with the bias current of LD. When the modulation frequency increases, the intensity modulation depth decreases.
实验数据表明，光强调制度随激光器偏置电流的增加而加深，随调制频率的升高而减小。
Experimental data show that the intensity modulation depth increases with the bias current of LD. When the modulation frequency increases, the intensity modulation depth decreases.
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