Modeling of nonlinear pulse propagation in periodic and quasi-periodic binary long-period fiber gratings

被引:6
|
作者
Chern, GW [1 ]
Chang, JF
Wang, LA
机构
[1] Natl Taiwan Univ, Inst Electro Opt Engn, Taipei 10764, Taiwan
[2] Natl Taiwan Univ, Dept Elect Engn, Taipei 10764, Taiwan
关键词
D O I
10.1364/JOSAB.19.001497
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
A generalized transfer-matrix method is used to model nonlinear pulse propagation in a binary long-period fiber grating (LPFG). Two interface matrices are used to describe power coupling at the heterointerfaces, as in the linear case. Nonlinear phase shifts and pulse dispersion through the two basic regions are modeled by coupled nonlinear Schrodinger equations. Based on the generalized transfer-matrix model, a local intensity-dependent detuning parameter is introduced with which we investigate the general conditions for complete switching. Nonlinear switching in a quasi-periodic Fibonacci LPFG is also studied, and it is shown that complete switching can be achieved in such a quasi-periodic grating. (C) 2002 Optical Society of America.
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页码:1497 / 1508
页数:12
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