Ray-Optical Techniques in Dielectric Waveguides

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概要

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• We describe a geometrical optics approach for the analysis of dielectric tapered waveguides. The method is based on the ray-optical treatment for wave-normal rays defined newly to waves of light in open structures. Geometrical optics fields are represented in terms of two kinds of wave-normal rays: leaky rays and guided rays. Since the behavior of these rays is different in the two regions separated at critical incidence, the geometrical optics fields have certain classes of discontinuity in a transition region between leaky and guided regions. Guided wave solutions are given as a superposition of guided rays that zigzag along the guides, all of which are totally reflected upon the interfaces. By including some leaky rays adjacent to the guided rays, we obtain more accurate guided wave solutions. Calculated results are in excellent agreement with wave optics solutions.

• 社団法人電子情報通信学会の論文
• 1994-04-25

著者

• Hashimoto Masahiro

  Department Of Applied Electronic Engineering Osaka Electro-communication University

• Hashimoto Hiroyuki

  Graduate School of Engineering, Osaka Electro-Communication University

• Hashimoto Hiroyuki

  Graduate School Of Engineering Osaka Electro-communication University:kume Electric Company Ltd.

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