EXACT DERIVATION OF THE COUPLING COEFFICIENT IN CORRUGATED WAVE-GUIDES WITH ARBITRARY CROSS-SECTION - APPLICATION TO OPTICAL FIBERS

被引：7
作者：
HARDY, A
机构：
[1] Tel-Aviv University, Faculty of Engineering Department of Electrical Engineering—Physical Electronics
来源：
IEEE JOURNAL OF QUANTUM ELECTRONICS | 1995年 / 31卷 / 03期
关键词：
D O I：
10.1109/3.364407
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：
Expressions for the coupling coefficient in corrugated waveguides with rectangular tooth shape are derived based on local mode expansion. The expressions are exact to first order in the tooth height (or index difference) for any waveguide cross-section. When applied to slab waveguides, the familiar expressions are obtained. Specializing to weakly guiding fibers, with step index profile, result in simple expressions in terms of the fiber parameters, which are compatible with the effective index method.
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页码：505 / 511
页数：7
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