基于双方差随机过程的半导体激光器寿命评估

李军星,李燕科,牛凯岑,邱明,王治华,庞晓旭,陈立海

Lifetime evaluation of semiconductor laser based on dual-variance stochastic process

Jun-xing LI,Yan-ke LI,Kai-cen NIU,Ming QIU,Zhi-hua WANG,Xiao-xu PANG,Li-hai CHEN

表1 不同GaAs激光器性能退化模型的未知参数估计值及其拟合效果对比

Table 1 Comparison of unknown parameter estimates and fitting effects of different GaAs laser performance degradation models

模型	未知参数					Log-LF值	AIC值
模型	$μ_{b}$	$σ_{b}$	$σ$	$σ_{e}$	$ρ$	Log-LF值	AIC值
M0	2.126 9	0.509 7	0.067 8	0.137 6	0.722 6	57.89	-105.79
M1	2.126 4	0.493 2	0.292 9	0.045 0	—	54.88	-101.76
M2	2.126 8	0.490 2	0.319 8	—	—	54.56	-103.11