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Please use this identifier to cite or link to this item: http://hdl.handle.net/2262/40323

Title: Compact 2-D FDTD Method Combined With Pad Approximation Transform for Leaky Mode Analysis
Author: GUO, WEI-HUA
LU, QIAOYIN
DONEGAN, JOHN FRANCIS
BYRNE, DIARMUID
Sponsor: Science Foundation Ireland
Author's Homepage: http://people.tcd.ie/jdonegan
http://people.tcd.ie/guow
http://people.tcd.ie/luqi
http://people.tcd.ie/byrnedc
Keywords: Atomic, molecular and chemical physics
PERFECTLY MATCHED LAYER
Issue Date: 2010
Publisher: IEEE Computer Society Press
Citation: Lu, QY, Guo, WH, Byrne, DC, Donegan, JF, Compact 2-D FDTD Method Combined With Pad Approximation Transform for Leaky Mode Analysis, JOURNAL OF LIGHTWAVE TECHNOLOGY, 28, 11, 2010, 1638-1645
Series/Report no.: JOURNAL OF LIGHTWAVE TECHNOLOGY;
28;
11;
Abstract: Leaky mode analysis has been carried out based on the compact 2-D finite-difference time-domain (FDTD) method combined with the uniaxial anisotropic perfectly matched-layer (UPML) absorption boundary condition and the Pade approximation transform technique. The imaginary part of the effective index of these leaky modes can be calculated independent of the real part, so very small leaky loss can be calculated reliably based on the proposed scheme. Mode coupling effects have also been accounted for naturally within the scheme because the simulation is carried out in the time domain and is full-vectorial. Leaky modes in the ARROW waveguide and the deep ridge waveguide have been analyzed by the proposed scheme. Leakage cancellation behavior for high-order leaky modes in very deeply etched ridge waveguides at specific ridge widths has been observed.
Description: PUBLISHED
URI: http://hdl.handle.net/2262/40323
Related links: http://dx.doi.org/10.1109/JLT.2010.2048011
Appears in Collections:Physics (Scholarly Publications)

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