为了得到系统参量变化对双光子非相干耦合孤子对强度包络的影响,采用数值方法对双光子光折变介质中非相干耦合亮-暗屏蔽光伏孤子对的耦合方程进行了求解.理论分析了启动光、分压系数和晶体温度对孤子对强度包络的影响.结果表明:孤子对包络宽度随启动光的增大而变大;随分压系数的增大而变小;晶体的温度增大,孤子对的宽度变大而峰值光强变小,晶体温度减小,孤子对的宽度变小而峰值变大.这些结果对双光子非相干耦合亮-暗空间孤子对的工程实践有一定参考价值.
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