摘要
本文用传输矩阵法分析了各种变迹与线性啁啾 Bragg光纤光栅的响应特性 ,构造了各种变迹函数 ,进行了比较 .分析了变迹函数、啁啾系数、折射率变化量以及光栅长度对反射带宽、最大反射率的影响 .找到了最佳变迹函数和量佳啁啾系数 .特例中的数值分析表明 ,补偿 1 0 0 km光纤色散带宽为 1 nm的最佳光栅长度是 1 40 mm,最佳啁啾系数为 0 .0 4 8nm/ cm.
The responses of non uniform optical fiber gratings with different types of apodising and chirping structure are analyzed using matrix method.For understanding and designing fiber gratings we defined apodization profile functions and calculated numerically.We found that the optimal apodization profile is the raised cosine shape.In specific instance,it is shown by a numerical analysis that the optimal length and chirp parameter of a grating is 140mm and 0.048nm/cm respectively to compensate the dispersion induced by an 100km fiber with 1nm bandwidth.
出处
《光子学报》
EI
CAS
CSCD
北大核心
2001年第2期184-187,共4页
Acta Photonica Sinica
基金
国家自然科学基金资助项目! (批准号 :69872 0 1 3 )
关键词
光纤光栅
变迹光栅
啁啾光栅
矩阵分析
响应特性
Fiber Bragg grating
Apodized Bragg grating
Chirped Brgg grating
Matrix method
