MODAL CHARACTERISTICS OF BENT DUAL-MODE PLANAR OPTICAL WAVE-GUIDES

被引：22
|
作者：
KUMAR, A [1 ]
GALLAWA, RL [1 ]
GOYAL, IC [1 ]
机构：
[1] INDIAN INST TECHNOL, DEPT PHYS, NEW DELHI 110016, INDIA
来源：
JOURNAL OF LIGHTWAVE TECHNOLOGY | 1994年 / 12卷 / 04期
关键词：
D O I：
10.1109/50.285355
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：
Modal characteristics of bent dual-mode planar optical waveguides are obtained. The bending-induced changes in the modal power distribution is found to be quite different for the two modes. Surprisingly, unlike the fundamental mode, bending causes the fractional modal power for the second mode to increase in the inner core-half and to decrease in the outer core-half of the waveguide. Interestingly, this leads to a decrease in effective index of the second mode due to bending at sufficiently high V-values.
引用
收藏
页码：621 / 624
页数：4
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