Electrooptic polymer modulator with single-mode to multimode waveguide transitions

被引：15
|
作者：
DeRose, Christopher T. [1 ]
Mathine, David [1 ]
Enami, Yasufumi [1 ]
Norwood, Robert A. [1 ]
Luo, Jingdong [2 ]
Jen, Alex K. -Y [2 ]
Peyghambarian, Nasser [1 ]
机构：
[1] Univ Arizona, Coll Opt Sci, Tucson, AZ 85721 USA
[2] Univ Washington, Mat Sci & Engn Dept, Seattle, WA 98195 USA
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2008年 / 20卷 / 9-12期
基金：
美国国家科学基金会;
关键词：
electrooptic (EO) polymer; grayscale lithography; modulator; sol-gel;
D O I：
10.1109/LPT.2008.924177
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：
Grayscale lithography has been used to create refractive index (RI) tapers in an electrooptic (EO) polymer modulator. These RI tapers are used to convert a passive single-mode photo-bleached polymer waveguide to the fundamental mode of an unbleached, active multimode polymer waveguide. The benefits of this modulator design include a coupling loss reduction of 2.6 dB per interface and an increased confinement factor of 0.83. Using this design, an EO polymer modulator was fabricated with a half-wave voltage of 1.9 V, modulation extinction ratio of 15 dB, and a fiber to lens insertion loss of 11.6 dB.
引用
收藏
页码：1051 / 1053
页数：3
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