Polarization dependent loss in a Ti:LiNbO3 polarization scrambler controller

被引：3
|
作者：
Fujiwara, T
Watanabe, A
Mori, H
机构：
[1] Central Laboratory, Sumitomo Metal Mining Co., Ltd., Ohme-shi, Tokyo 198
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 1996年 / 8卷 / 04期
关键词：
D O I：
10.1109/68.491220
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 have investigated the polarization dependent loss (PDL) of a waveguide-type polarization scrambler/controller consisting of a half-wave plate (HWP) and a quarter-wave plate (QWP) in series fabricated in x-cut/z-propagating Ti-diffused LiNbO3 optical waveguides, Based on the polarization dependences of both the propagation loss coefficient and mode-mismatch loss with fiber at 1.55 mu m combined with a numerical analysis, the PDL of the fabricated device is estimated to be 0.063 dB, It is shown that the low PDL is a direct consequence of a special anisotropy relation between the propagation loss and waveguide-fiber mode-mismatch loss.
引用
收藏
页码：542 / 544
页数：3
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