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首页> 外文期刊>Optics Communications: A Journal Devoted to the Rapid Publication of Short Contributions in the Field of Optics and Interaction of Light with Matter >Motion characteristics of Bragg grating solitons in rectangle-apodized fiber Bragg gratings
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Motion characteristics of Bragg grating solitons in rectangle-apodized fiber Bragg gratings

机译：矩形切趾光纤布拉格光栅中布拉格光栅孤子的运动特性

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摘要

We introduce both concave and convex rectangular apodizations in the middle of fiber Bragg gratings to achieve slow light. Based on the nonlinear coupled mode equations (NLCMEs), the transmission characteristics of grating solitons in rectangle-apodized gratings are numerically simulated and analyzed. The rectangular apodization can change the grating coupling coefficient to give rise to slow and capture the solitons in gratings. The effects of the soliton energy parameters, the width of rectangular apodization and the variation of the coupling coefficient on the soliton transmission are presented. The results show that, the velocity of solitons can be slowed down, and the capability to capture a soliton depends on the energy of input solitons, coupling coefficient, and the rectangular width. Two kinds of soliton capture methods are proposed and compared with each other.
机译：我们在光纤布拉格光栅的中间引入了凹凸的矩形切趾，以实现缓慢的光线。基于非线性耦合模态方程（NLCME），对矩形变迹光栅中光栅孤子的透射特性进行了数值模拟和分析。矩形切趾可以改变光栅的耦合系数，使其变慢并捕获光栅中的孤子。提出了孤子能量参数，矩形切趾宽度和耦合系数的变化对孤子传输的影响。结果表明，孤子的速度可以减慢，孤子的捕获能力取决于输入孤子的能量，耦合系数和矩形宽度。提出了两种孤立子捕获方法，并进行了比较。

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