On Leaky-Wave Approach of Rigorous Modes Coupled in Multilayered Periodic Waveguides

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概要

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• The field supported by multilayered periodic waveguides is well characterized by only one or two discrete leaky waves, rather by a more complicated field representation that includes continuous spectra. The rigorous leaky-modes coupled in multilayered geometry can be then treated by relatively simpler and analytic model that describes the operation of practical optoelectronic devices in terms of leakege effects. To complement our modeling, we discuss and emphasize novel mathematical formulations based on the field orthogonality conditions of TE and TM modes coupled in multilayered periodic structures. In addition, to show the validity of our approach we numerically evaluate new physical meanings to illustrate quantitatively and rigorously the coupling efficiency of grating-assisted directional couplers (GADCs). The results reveal that the systematic and effective technique yields phenomenologycally useful interpretations.

• 社団法人電子情報通信学会の論文
• 2001-01-01

著者

• Kim Yung-kwon

  The Author Is With The Department Of Electronic Engineering Kon-kuk University

• Ho Kwang-chun

  The Author Is With The Department Of Electronic Engineering Halla University

関連論文

• Dispersion Characteristics of Optical Planar DFB Guiding Structures for Optical Communication (Special Section of Papers Selected from ITC-CSCC'99)
• On Leaky-Wave Approach of Rigorous Modes Coupled in Multilayered Periodic Waveguides

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