EVANESCENT-WAVE COUPLING OF WHISPERING-GALLERY MODES OF A DIELECTRIC CYLINDER

被引：94
|
作者：
ROWLAND, DR
LOVE, JD
机构：
来源：
IEE PROCEEDINGS-J OPTOELECTRONICS | 1993年 / 140卷 / 03期
关键词：
WHISPERING GALLEY MODE; DIELECTRIC CYLINDER; EVANESCENT WAVE COUPLING;
D O I：
10.1049/ip-j.1993.0028
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：
By developing a direct correspondence between a given whispering gallery mode of a dielectric cylinder and a mode of an equivalent waveguide ring resonator, the evanescent wave coupling characteristics of such modes can be simply modelled. This also allows the conditions for resonant excitation of a single whispering gallery mode to be determined. The model needs a coupled mode theory which accurately describes the coupling between a straight waveguide and a curved waveguide to be developed. This theory is checked against BPM results.
引用
收藏
页码：177 / 188
页数：12
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