卷起半导体微管Laser的时间分辨研究
Time-Resolved Studies of a Rolled-Up Semiconductor Microtube Laser
摘要：
我们报告激光卷起微管谐振器。对这些含有GaAs量子阱作为光学增益材料的半导体激光器的时间分辨研究揭示了特别快的开启时间和阈值以上的短脉冲发射。我们观察到一个强烈的红移的激光模式在脉冲发射过程中的电荷载流子密度计算的速率方程的时间演化相比。
英文摘要：
We report on lasing in rolled-up microtube resonators. Time-resolved studies on these semiconductor lasers containing GaAs quantum wells as optical gain material reveal particularly fast turn-on-times and short pulse emissions above the threshold. We observe a strong red-shift of the laser mode during the pulse emission which is compared to the time evolution of the charge-carrier density calculated by rate equations.
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