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一种新颖的超结构光纤Bragg光栅梳状滤波器的设计

曹 辉 孙军强 张新亮 肖凌燕 黄德修

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一种新颖的超结构光纤Bragg光栅梳状滤波器的设计

曹 辉, 孙军强, 张新亮, 肖凌燕, 黄德修

A novel design methodology for superstructure fiber Bragg grating comb-filter

Cao Hui, Sun Jun-Qiang, Zhang Xin-Liang, Xiao Ling-Yan, Huang De-Xiu
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  • 报道一种新颖的用于多波长光纤激光器的超结构光纤Bragg光栅(SFBG)梳状滤波器,其突出特点是仅由单个光栅构成、折射率调制和局部啁啾富于变化、反射峰均匀性好、窄带宽和标准的信道间隔.采用基于LP算法的IS光纤光栅设计技术,将整体加窗切趾法改进为各信道独立加窗切趾,成功地设计出所需的SFBG,同时对SFBG的制作技术也进行了探讨.用传输矩阵法分析反射谱、时延曲线和群时延抖动.结果表明,所设计的SFBG满足各项设计指标要求,在DWDM系统中,这种新颖的SFBG可望成为用于多波长光纤激光器的最理想的高性 能梳
    A novel superstructure fiber Bragg grating (SFBG) combfilter for multiwavele ngth laser is proposed. This SFBG is characterized by its singlegrating struct ure, both refractive index modulation and local chirp abundant in variation, sym metri cal reflection peaks, narrow bandwidth and standard channel spacing. Based on layerpeeling inverse scattering technique, adopting independent channelbycha nnel apodizingwindowing method rather than integral apodizingwindowing proce dure, the desired SFBG is figured out successfully. The fa brication techniques for this SFBG are discussed as well. Reflection spectrum, group time delay and group time delay ripple are analyzed by the method of transf ormation matrix. The results show that this SFBG satisfied all requirements of designing target. In DWDM optical fiber telecommunication systems, this novel SFB G is a promising candidate for the perfect high performance combfilter used in multiwavelength laser.
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  • 文章访问数:  6681
  • PDF下载量:  832
  • 被引次数: 0
出版历程
  • 收稿日期:  2003-08-01
  • 修回日期:  2004-01-02
  • 刊出日期:  2004-09-16

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