New compact polarization rotator in anisotropic LiNbO3 graded-index waveguide

被引：7
|
作者：
Tsarev, Andrei V. [1 ]
机构：
[1] Russian Acad Sci, Inst Semicond Phys, Siberian Branch, Novosibirsk 630090, Russia
来源：
OPTICS EXPRESS | 2008年 / 16卷 / 03期
关键词：
D O I：
10.1364/OE.16.001653
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The new compact polarization rotator in anisotropic graded index Ti:LiNbO3 channel waveguide is proposed and investigated by 3D beam propagation method (BPM). Device is based on a channel optical waveguide directed at small angle (about 5 degrees) with respect to Z-axis on Y-cut lithium niobate substrate. The polarization conversion from quasi-TE to quasi-TM guided modes (and backwards) along 8 mm long waveguide with an index contrast 0.015, has been numerically demonstrated. Device is intended for polarization diversity of integrated optic elements based on LiNbO3 structures.
引用
收藏
页码：1653 / 1658
页数：6
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