Gain saturation coefficients of strained-layer multiple quantum-well distributed feedback lasers
Gain saturation coefficients of strained-layer multiple quantum-well distributed feedback lasers
复制标题
应变层多量子阱分布反馈激光器的增益饱和系数
DOI：
10.1109/68.93248
复制
发表时间：
1991
影响因子：
2.6
通讯作者：
M. Naganuma
中科院分区：
文献类型：
--
作者：
H. Yasaka;K. Takahata;N. Yamamoto;M. Naganuma
测量了应变和非应变多量子阱分布式反馈 (MQW-DFB) 激光器的增益饱和系数。增益饱和系数取决于激光器的横磁（TM）模式增益峰值波长与其横电（TE）模式增益峰值波长的偏差δ lambda ，这与有源层阱上的应变有关。增益饱和系数 epsilon 随着活性层井上压缩应变的增加而增加。波长差δ为-350 AA的无应变MQW DFB激光器的系数ε为2.45 x 10/sup -17/ cm/sup 3/，在波长差δ为-890 AA的SL-MQW DFB激光器中ε增加至12.6 x 10/sup -17/ cm/sup 3/。
The gain saturation coefficients were measured for strained and unstrained multiple quantum-well distributed feedback (MQW-DFB) lasers. The gain saturation coefficient depends on the deviation of the laser's transverse-magnetic (TM) mode gain peak wavelength from its transverse-electric (TE) mode gain peak wavelength delta lambda , which is related to the strain on the active-layer wells. The gain saturation coefficient epsilon increased with increasing compressed strain on the active-layer wells. The coefficient epsilon of the unstrained MQW DFB laser with a wavelength deviation delta lambda of -350 AA was 2.45 x 10/sup -17/ cm/sup 3/, and epsilon increased up to 12.6 x 10/sup -17/ cm/sup 3/ in the SL-MQW DFB laser with a wavelength difference delta lambda of -890 AA.