Trimming of polymer waveguide Y-junction by rapid photobleaching for tuning the power splitting ratio

被引：28
|
作者：
Chen, AT
Chuyanov, V
MartiCarrera, FI
Garner, S
Steier, WH
Mao, SSH
Ra, YS
Dalton, LR
Shi, YQ
机构：
[1] UNIV SO CALIF,DEPT CHEM,LOS ANGELES,CA 90089
[2] TACAN CORP,CARLSBAD,CA 92008
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 1997年 / 9卷 / 11期
关键词：
dyes; laser materials-processing applications; laser tuning; optical device fabrication; optical fiber communication; optical strip waveguide components; optical waveguides; plastic materials/devices;
D O I：
10.1109/68.634721
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：
We present a novel post-fabrication laser trimming technique to adjust the power splitting ratio of rib waveguide Y-junctions made in thermally crosslinked electrooptic polymers, The trimming is based on the index change due to photobleaching, and it takes only a few seconds. An adjustable range of the splitting ratio as wide as +/-20% is achieved with less than 0.2 dB of excess loss, This in situ trimming technique is effective for both the TE and TM modes of the waveguide and is very suitable for automated device processing.
引用
收藏
页码：1499 / 1501
页数：3
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