Presentation 1995/7/25
A Finite Element Beam Propagation Method for Strongly Guiding Longitudinally Varying Optical Waveguides
Masanori Koshiba, Yasuhide Tsuji,
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Abstract(in English) A unified finite element beam propagation method is described for both TE and TM waves propagating in strongly guiding longitudinally varying optical waveguides with magnetooptic materials. In order to avoid nonphysical reflections from the computational window edges, the transparent boundary condition is introduced for both polarizations. To save computing time and computer memory, finite element sparse matrices are stored in compact forms, and the upper and lower triangular decomposition and the forward and backward substitution processes are performed. The present algorithm is, to our knowledge, the first beam propagation method for modelling nonreciprocal magnetooptic components.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) finite element beam propagation method / transparent / boundary condition / magnetooptic waveguide device
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Conference Date 1995/7/25(1days)
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Title (in English) A Finite Element Beam Propagation Method for Strongly Guiding Longitudinally Varying Optical Waveguides
Sub Title (in English)
Keyword(1) finite element beam propagation method
Keyword(2) transparent
Keyword(3) boundary condition
Keyword(4) magnetooptic waveguide device
1st Author's Name Masanori Koshiba
1st Author's Affiliation Division of Electronics and Information Engineering Faculty of Engineering, Hokkaido University()
2nd Author's Name Yasuhide Tsuji
2nd Author's Affiliation Division of Electronics and Information Engineering Faculty of Engineering, Hokkaido University
Date 1995/7/25
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Volume (vol) vol.95
Number (no) 179
Page pp.pp.-
#Pages 8
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