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题名: Application of fast Pade approximation in simulating photonic crystal nanocavities by FDTD technology
作者: Zhang YJ;  Zheng WH;  Xing MX;  Ren G;  Wang HL;  Chen LH
发表日期: 2008
摘要: The exact calculation of mode quality factor Q is a key problem in the design of high-Q photonic crystal nanocavity. On the basis of further investigation on conventional Pade approximation, FDM and DFT, Pade approximation with Baker's algorithm is enhanced through introducing multiple frequency search and parabola interpolation. Though Pade approximation is a nonlinear signal processing method and only short time sequence is needed, we find the different length of sequence requirements for 2D and 3D FDTD, which is very important to obtain convergent and accurate results. By using the modified Pade approximation method and 3D FDTD, the 2D slab photonic crystal nanocavity is analyzed and high-Q multimode can be solved quickly instead of large range high-resolution scanning. Monitor position has also been investigated. These results are very helpful to the design of photonic crystal nanocavity devices. (C) 2008 Elsevier B.V. All rights reserved.
刊名: OPTICS COMMUNICATIONS
专题: 中国科学院半导体研究所(2009年前)_期刊论文

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推荐引用方式:
Zhang, YJ ; Zheng, WH ; Xing, MX ; Ren, G ; Wang, HL ; Chen, LH .Application of fast Pade approximation in simulating photonic crystal nanocavities by FDTD technology ,OPTICS COMMUNICATIONS,2008 ,281(10): 2774-2778
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