Finite element simulation of radiation losses in photonic crystal fibers

Finite element simulation of radiation losses in photonic crystal fibers
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光子晶体光纤辐射损耗的有限元模拟

DOI:
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发表时间:
2007
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通讯作者:
S. Burger
S. Burger
中科院分区:
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文献类型:
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作者:
J. Pomplun;L. Zschiedrich;R. Klose;F. Schmidt;S. Burger

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在我们的工作中,我们专注于精确计算有限尺寸光子晶体结构中的光传输的有限元方法(FEM)。我们将讨论如何利用高阶有限元、透明边界条件和面向目标的误差估计器等数值概念进行自适应网格细化,以计算光子晶体光纤和波导中的辐射泄漏。由于我们的方法的快速收敛,我们可以使用它,例如,相对于几何参数优化光子晶体结构的设计,以最大限度地减少辐射损失和计算不同几何形状的衰减谱。(© 2007 WILEY‐VCH Verlag GmbH & Co. KGaA,魏因海姆)
In our work we focus on the accurate computation of light propagation in finite size photonic crystal structures with the finite element method (FEM). We discuss how we utilize numerical concepts like high‐order finite elements, transparent boundary conditions and goal‐oriented error estimators for adaptive grid refinement in order to compute radiation leakage in photonic crystal fibers and waveguides. Due to the fast convergence of our method we can use it e.g. to optimize the design of photonic crystal structures with respect to geometrical parameters, to minimize radiation losses and to compute attenutation spectra for different geometries. (© 2007 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)