Electrooptically wavelength-tunable polarization converter utilizing strain-optic effect on X-cut LiNbO3

被引：7
|
作者：
Wang, TJ [1 ]
Chung, JS [1 ]
机构：
[1] Natl Taipei Univ Technol, Inst Electroopt Engn, Taipei 10651, Taiwan
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2004年 / 16卷 / 10期
关键词：
integrated optics; lithium niobate; optical waveguide; polarization converter;
D O I：
10.1109/LPT.2004.833935
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：
A new electrooptically wavelength-tunable polarization converter by strain-optic effect on LiNbO3 is presented. The polarization conversion is achieved by the tilt of waveguide principal axis caused by the stress induced by the proton-exchanged region on the single side of the waveguide. Simply increasing the proton-exchange time can enlarge the stress-distributed region and its interaction with the input light, thus, the conversion efficiency can be enhanced. By electrooptic effect, the wavelength of maximum conversion can be tuned at a rate of 0.081 mm/V with a maximum conversion efficiency of 92.4%.
引用
收藏
页码：2275 / 2277
页数：3
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