A VARIATIONAL COUPLED-MODE THEORY FOR PERIODIC WAVE-GUIDES

被引：19

作者：

LITTLE, BE

HAUS, HA

机构：

[1] Department of Electrical Engineering and Computer Science, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge

来源：

IEEE JOURNAL OF QUANTUM ELECTRONICS | 1995年 / 31卷 / 12期

关键词：

D O I：

10.1109/3.477755

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A simple variational theorem for the dispersion relations and propagation constants of periodic waveguides is derived, The trial fields used in the variational formula incorporate an the Floquet components correct to first order. This yields a propagation constant in which errors enter only to fourth order in the trial field, The analysis yields a new coupled mode formulation which is shown to yield excellent agreement with exact analytic solutions (in 1-D), and numerical simulations (in 2-D), for high-index contrast structures.

引用

页码：2258 / 2264

页数：7

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