Eigenmode Analysis of Optical Waveguides by a Yee-Mesh-Based Imaginary-Distance Propagation Method for an Arbitrary Dielectric Interface
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概要
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A modified finite-difference (FD) formula for an arbitrarydielectric interface is applied to an imaginary-distance propagationmethod based on Yee's mesh. To confirm the validity of themodified method, we first analyze the eigenmode of a step-indexcircular fiber. A reduction in a discretization error is demonstratedin the evaluation of the field profile. Calculations of the normalizedpropagation constant show that the convergence rate of the modifiedFD formula is faster than that of traditional techniques and iscomparable to that of a body-of-revolution technique. As a furtherapplication, we analyze the eigenmodes of sloped-side rib guides.These data agree well with previously published data.
- IEEEの論文
- 2002-08-00
IEEE | 論文
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