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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 20, Iss. 8 — Aug. 1, 2002
  • pp: 1627–

Eigenmode Analysis of Optical Waveguides by a Yee-Mesh-Based Imaginary-Distance Propagation Method for an Arbitrary Dielectric Interface

Takashi Ando, Hiroki Nakayama, Satoshi Numata, Junji Yamauchi, and Hisamatsu Nakano

Journal of Lightwave Technology, Vol. 20, Issue 8, pp. 1627- (2002)


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Abstract

A modified finite-difference (FD) formula for an arbitrary dielectric interface is applied to an imaginary-distance propagation method based on Yee's mesh. To confirm the validity of the modified method, we first analyze the eigenmode of a step-index circular fiber. A reduction in a discretization error is demonstrated in the evaluation of the field profile. Calculations of the normalized propagation constant show that the convergence rate of the modified FD formula is faster than that of traditional techniques and is comparable to that of a body-of-revolution technique. As a further application, we analyze the eigenmodes of sloped-side rib guides. These data agree well with previously published data.

[IEEE ]

Citation
Takashi Ando, Hiroki Nakayama, Satoshi Numata, Junji Yamauchi, and Hisamatsu Nakano, "Eigenmode Analysis of Optical Waveguides by a Yee-Mesh-Based Imaginary-Distance Propagation Method for an Arbitrary Dielectric Interface," J. Lightwave Technol. 20, 1627- (2002)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-20-8-1627

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