Tapered polymer single-mode waveguides for mode transformation

被引：45
|
作者：
Fan, RS [1 ]
Hooker, RB [1 ]
机构：
[1] Univ Colorado, Dept Elect & Comp Engn, Boulder, CO 80309 USA
来源：
JOURNAL OF LIGHTWAVE TECHNOLOGY | 1999年 / 17卷 / 03期
关键词：
mode size transformation; optical fiber coupling; optical waveguides; tapered polymer waveguides;
D O I：
10.1109/50.749387
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：
This paper presents a tapered polymer waveguide structure for coupling light between optical waveguides with differing geometries. Optical fibers, lasers, and other photonic integrated circuit components can be coupled with tapered waveguides. The polymer waveguide performs a mode transformation between different mode shapes and sizes, For example, the mode transformation can be from an elliptical laser diode mode to that of a circular optical fiber mode, The input and output of a tapered waveguide structure are analyzed, for the case of laser to fiber coupling, in order to determine the effect of misalignments on the coupling efficiency. Adiabaticity in waveguide propagation is discussed. The fabrication of our polymer waveguides is also described.
引用
收藏
页码：466 / 474
页数：9
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