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首页> 外文期刊>Photonics and Nanostructures: Fundamentals and Applications >A single mode hybrid cladding circular photonic crystal fiber dispersion compensation and sensing applications
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A single mode hybrid cladding circular photonic crystal fiber dispersion compensation and sensing applications

机译:单模混合包层圆形光子晶体光纤色散补偿与传感应用

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摘要

In this paper, we propose a highly birefringent and highly nonlinear polarization maintaining single mode hybrid cladding circular photonic crystal fiber (HyC-CPCF). The proposed structure is extremely attractive for compensation of chromatic dispersion of standard single mode fiber (SMF) over 1360 to 1640 nm wavelength band. Guiding properties are investigated using finite element method (FEM) with perfectly matched layer boundary condition. Simulation results confirm the possibility of large negative dispersion coefficient and relative dispersion slope of -650 ps/(nm km) and 0.0036 nm(-1), respectively, at 1550 nm wavelength and effective dispersion coefficient of about +/- 0.5 ps/(nm km) from 1360 to 1640 nm wavelength. The proposed fiber also demonstrates a high birefringence of order 2.1 x 10(-2) at 1550 nm wavelength that allows the fiber to maintain a single polarization. In addition, effective V parameter ensures the single mode operation of the designed fiber over the entire band of interest. To realize the practical feasibility, the sensitivity of the fiber dispersion properties to a +/- 2% of structural parameter variation around the optimum value is evaluated and reported. Moreover, effective dispersion and nonlinear coefficient are also presented and discussed. The proposed fiber can be a promising candidate in high speed transmission system for broadband dispersion compensation, sensing and nonlinear applications as well. (C) 2015 Elsevier B.V. All rights reserved.
机译:在本文中,我们提出了一种高度双折射和高度非线性的偏振保持单模混合包层圆形光子晶体光纤(HyC-CPCF)。所提出的结构对于补偿标准单模光纤(SMF)在1360至1640 nm波长带上的色散非常有吸引力。使用具有完美匹配层边界条件的有限元方法(FEM)研究导引性能。仿真结果证实了在1550 nm波长处具有较大的负色散系数和-650 ps /(nm km)和0.0036 nm(-1)的相对色散斜率的可能性,有效色散系数约为+/- 0.5 ps /( 1360至1640 nm波长。提出的光纤在1550 nm波长处还表现出2.1 x 10(-2)的高双折射,使光纤可以保持单偏振。此外,有效的V参数可确保所设计的光纤在整个目标频段上均处于单模工作状态。为了实现实际可行性,评估并报告了纤维分散特性对最佳值附近+/- 2%的结构参数变化的敏感性。此外,还介绍并讨论了有效色散和非线性系数。所提出的光纤可以在宽带色散补偿,传感和非线性应用的高速传输系统中成为有希望的候选者。 (C)2015 Elsevier B.V.保留所有权利。

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