光纤布喇格光栅非线性特性的研究

基金项目:

国家"八六三"高技术研究发展计划资助项目(2003AA311070);北京市教育委员会共同建设基金资助项目(XK100130437)

详细信息

The investigation of the nonlinear characteristics of fiber Bragg gratings

1.
School of Science, Beijing University of Posts and Telecommunications, Beijing 100876, China;
2.
Key Laboratory of Optical Communication and Lightwave Technologies Ministry of Education, Beijing University of Posts and Telecomm unications, Beijing 100876, China

摘要: 利用单边边界条件下的差分法求解非线性光纤光栅耦合模方程,在此基础上分析了光纤光栅中克尔非线性效应对光栅频谱特性的影响,分别讨论了短脉冲在均匀和切趾光纤光栅的线性工作区和非线性工作区的传输特性.结果表明,在合适的条件下,光纤布喇格光栅可以用于光开关器件.
- 光纤布喇格光栅 /
- 非线性耦合模方程 /
- 差分法 /
- 非线性效应
Abstract: The nonlinear coupled equations of fiber Bragg gratings in single-side boundary condition is solved by means of the finite difference method,and based on the result,influence of Kerr-like nonlinearity on the characteristics of the grating is analyzed.The transmission characteristics of the short pulses in the linear and nonlinear operation areas of the uniform and apodized grating are discussed respectively.The results show that at the proper condition,the fiber Bragg grating can be used as optical switch.
- fiber Bragg grating(FBG) /
- nonlinear coupled mode equation /
- finite difference /
- nonlinear effect

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