The study of oxide-aperture influence on threshold current and differential resistance shows that lower threshold current can be obtained with a smaller oxide-aperture diameter.
研究了氧化孔径对阈值电流和微分电阻的影响，结果表明较小的氧化孔径可以获得低的阈值电流。
The effects of device temperature on the laser threshold current, external differential quantum efficiency (DQE), and output wavelength are also investigated.
研究了器件温度对于激光阈值电流、外微分量子效率和输出波长的影响。
Experimental results: 1 Increased well number has improved the temperature characteristics of threshold current and external differential efficiency.
透明电流密度的特征温度又取决于辐射复合效率，外部微分效率的特征温度取决于高温下导带电子的泄漏。
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